Videos

Video thumbnail for Sine Rule Angles - Corbettmaths
06:04
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Sine Rule Angles - Corbettmaths

This video explains how to calculate missing angles using the Sine Rule.
YouTube
· Apr 24, 2019
Video thumbnail for Finding Angles Using The Sine Rule - VividMath.com
05:45
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Finding Angles Using The Sine Rule - VividMath.com

Get your free lessons: https://vividmath.com Learn how to find a missing angle using the Law of Sines (Sine Rule). Question: Here you'll discover the simple strategies in applying the sine rule to find and angle. Here we teach you how to find the size of angle "z" in a non-right angled triangle to the nearest degree. All we need to use the sine ...
YouTube
· May 17, 2012
Video thumbnail for Maths Tutorial: Trigonometry Law of Sines / Sine Rule
09:53
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Maths Tutorial: Trigonometry Law of Sines / Sine Rule

Maths Tutorials, Geometry and Trigonometry. The Law of Sines (also known as the Sine Rule) is a method for working out the angle or side length in a non right angled triangle. For more tutorials, visit www.vcefurthermaths.com Song: "Mining by Moonlight" by Kevin MacLeod (incompetech.com). Used under creative commons.
YouTube
· Oct 11, 2012
Video thumbnail for Trigonometry Law of Sines / Sine Rule
09:35
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Trigonometry Law of Sines / Sine Rule

The Law of Sines (also known as the Sine Rule) is a method for working out the angle or side length in a non right angled triangle. Trigonometry lessons from the mathiest math channel - the tecmath channel! To support free math by tecmath on Patreon (thankyou): https://www.patreon.com/tecmath To donate to the tecmath channel: https://paypal.me ...
YouTube
· Oct 23, 2019
Video thumbnail for How to Use the Sine Rule - A Quick Trigonometry Maths Lesson
05:10
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How to Use the Sine Rule - A Quick Trigonometry Maths Lesson

Find out what the sine rule is and how to apply it to triangles in this quick trigonometry maths video. Using side lengths and the sine of their opposite angles, we can find missing side lengths and angles in any triangle. All you need is a calculator and the sine rule formula: a / sin A = b / sin B = c / sin C. . . . #maths #math #mathematics ...
YouTube
· Oct 24, 2021
Video thumbnail for Sine Rule | Trigonometry | Maths | FuseSchool
04:39
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Sine Rule | Trigonometry | Maths | FuseSchool

In this video we are going to discover what the sine rule is and how it works. For right angle triangles, we can use Pythagoras and SOHCAHTOA to find missing sides and missing angles. However, not every triangle is a right-angle triangle. For non-right angle triangles we have the sine rule and the cosine rule. The sine rule can be used to find ...
YouTube
· Mar 2, 2017
Video thumbnail for The sine rule - Using the sine and cosine rules to find a side or angle in a triangle - National 5 Maths Revision - BBC Bitesize
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The sine rule - Using the sine and cosine rules to find a side or angle in a triangle - National 5 Maths Revision - BBC Bitesize

Revise how to use the sine and cosine rules to find missing angles and sides of triangles as part of National 5 Maths.
bbc.co.uk
· Oct 11, 2024
Video thumbnail for The Sine Rule | Grade 7 Maths Revision | GCSE Maths Tutor
30:08
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The Sine Rule | Grade 7 Maths Revision | GCSE Maths Tutor

A video revising the techniques and strategies for using the sine rule for side lengths and angles. This video is part of the Pythagoras & Trigonometry module in GCSE maths, see my other videos below to continue with the series. Revision Videos: The Entire 9-1 GCSE Maths Exam in only 2 hours!! Higher and Foundation Revision - https://youtu.be ...
YouTube
· Jan 25, 2020
Video thumbnail for Sine Law Explained: How It Works + 2 Examples
07:35
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Sine Law Explained: How It Works + 2 Examples

Sine Law is used when you know at least ONE side AND the angle across from it. We often use it when you *don't* have a 90 degree angle in the triangle.
YouTube
· Jan 5, 2022
Video thumbnail for Law of Sines, Basic Introduction, AAS & SSA - One Solution, Two Solutions vs No Solution, Trigonomet
21:12
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Law of Sines, Basic Introduction, AAS & SSA - One Solution, Two Solutions vs No Solution, Trigonomet

This trigonometry video tutorial provides a basic introduction into the law of sines. It explains how to find the value of the missing side of a triangle or the missing angle. it explains how to solve AAS and SSA triangles using the law of sines formula. It helps you to tell if the triangle has one solution, two solutions, or no solution. This ...
YouTube
· Oct 21, 2017
Video thumbnail for GCSE Maths - All the Trigonometry Equations you Need To know!
02:53
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GCSE Maths - All the Trigonometry Equations you Need To know!

⭐️ https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Introduction to Trigonometry * Key applications: Finding missing sides, missing angles, and areas of triangles. 2. Guide to Choosing Trigonometric Equations * Overview of common challenges. * Flowchart approach based on the problem type. * Distinction between methods for right ...
YouTube
· Aug 29, 2021
Video thumbnail for Using the Sine Rule to Find Sides - Advanced Trigonometry - Tutorial/Revision (2/8)
07:51
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Using the Sine Rule to Find Sides - Advanced Trigonometry - Tutorial/Revision (2/8)

YouTube
· Apr 13, 2014
Video thumbnail for Sine Rule missing sides - Corbettmaths
02:48
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Sine Rule missing sides - Corbettmaths

Corbettmaths - This video shows how to find the missing side of a triangle using the sine rule.
YouTube
· May 3, 2013
Video thumbnail for Law of Sines - Basic Introduction
12:34
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Law of Sines - Basic Introduction

This trigonometry & precalculus video provides a basic introduction into the law of sines formula. It explains how to use that formula to find the missing sides and missing angles of a triangle. Trigonometry - Free Formula Sheet: https://www.video-tutor.net/formula-sheets.html ______________________________ Solving Trig Equations - Finding All ...
YouTube
· Jul 2, 2020
Video thumbnail for The Law of Sines
05:14
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The Law of Sines

All of these trig functions come in real handy for finding the sides and angles of right triangles, but what about oblique triangles? If a triangle doesn't have a right angle, SOHCAHTOA doesn't apply. What do we do?! Don't worry, there are other ways to use these trig functions with oblique triangles, and one of them is called the law of sines ...
YouTube
· Jan 1, 2009
Video thumbnail for Sine Or Cosine Rule? | Trigonometry | Maths | FuseSchool
02:52
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Sine Or Cosine Rule? | Trigonometry | Maths | FuseSchool

Not every triangle is a right-angle triangle, so we can't always use Pythagoras and SOHCAHTOA to find missing sides and missing angles. We instead use the sine rule or the cosine rule. They can both be used to find either missing sides or missing angles in any triangle (right angle or not). We label the sides as a, b and c, and angles as A, B ...
YouTube
· Jan 1, 2009
Video thumbnail for Sine and Cosine Rule 1 (GCSE Higher Maths)- Tutorial 17
19:56
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Sine and Cosine Rule 1 (GCSE Higher Maths)- Tutorial 17

Powered by https://www.numerise.com/ This video is a tutorial on Sine and Cosine Rule. Please make yourself a revision card while watching this and attempt my examples. Straight away then move to my video on Sine and Cosine Rule 2 - Exam Questions 18. This video is for students attempting the Higher paper AQA Unit 3 Maths GCSE, who have ...
YouTube
· Jan 1, 2009
Video thumbnail for Law of sines | Trig identities and examples | Trigonometry | Khan Academy
05:58
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Law of sines | Trig identities and examples | Trigonometry | Khan Academy

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/trigonometry/less-basic-trigonometry/law-sines-cosines/e/law_of_sines?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry Watch the next lesson: https://www.khanacademy.org/math/trigonometry/less-basic-trigonometry/law-sines-cosines/v/law-of-sines ...
YouTube
· Mar 13, 2014
Video thumbnail for Trigonometry For Beginners!
21:52
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Trigonometry For Beginners!

This math video tutorial provides a basic introduction into trigonometry. It covers trigonometric ratios such as sine, cosine, and tangent. It explains how to evaluate it using right triangle trigonometry and SOHCAHTOA. In addition, it explains how to solve the missing sides of triangles and how to find the missing angles using inverse trig ...
YouTube
· Jul 25, 2017
Video thumbnail for Sine Law | Grade 10 Math | jensenmath.ca
22:22
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Sine Law | Grade 10 Math | jensenmath.ca

Sine law is primarily used with oblique triangles to find a missing side or angle. This lesson has many examples and also the PROOF of Sine Law. When you know all angles and 1 side of a triangle, you can use Sine Law to find another side. When you know 2 sides and an angle opposite from one of the two known sides, you can use Sine Law to find ...
YouTube
· Jan 6, 2022
Video thumbnail for Double Angle Identities & Formulas of Sin, Cos & Tan - Trigonometry
18:16
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Double Angle Identities & Formulas of Sin, Cos & Tan - Trigonometry

This trigonometry video tutorial provides a basic introduction to the double angle identities of sine, cosine, and tangent. It explains how to derive the double angle formulas from the sum and difference identities of sin, cos, and tan and how to use the double angle formulas to find the exact value of trigonometric expressions using right ...
YouTube
· Oct 19, 2017
Video thumbnail for Sum and Difference Identities of Sine and Cosine
21:37
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Sum and Difference Identities of Sine and Cosine

This trigonometry video tutorial explains how to find the exact of trigonometric expressions with angles in radians and degrees using the sum and difference identities & formulas of sine and cosine. This lesson contains plenty of examples and practice problems that will help you to get a thorough understanding of this material. Trigonometry ...
YouTube
· Jan 31, 2021
Video thumbnail for Law of Cosines, Finding Angles & Sides, SSS & SAS Triangles - Trigonometry
10:18
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Law of Cosines, Finding Angles & Sides, SSS & SAS Triangles - Trigonometry

This trigonometry video tutorial provides a basic introduction into the law of cosines. It explains how to use the law of cosines formula for finding angles and for finding the value of missing sides. It explains how to solve the sss triangle and the sas triangle using the law of cosines first and then finishing up the problem using the law of ...
YouTube
· Oct 22, 2017
Video thumbnail for Verifying Trigonometric Identities With Double Angle Formulas
15:19
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Verifying Trigonometric Identities With Double Angle Formulas

This trigonometry video provides a basic introduction on verifying trigonometric identities with double angle formulas and sum & difference identities. It contains plenty of example problems. Trigonometry - Free Formula Sheet: https://www.video-tutor.net/formula-sheets.html ____________________________ Bearing Problems and Navigation: https ...
YouTube
· Oct 19, 2017
Video thumbnail for Non Right angled Trigonometry, the Sine and Cosine rules.
22:12
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Non Right angled Trigonometry, the Sine and Cosine rules.

Using the sine and cosine rules in non right angled triangles to find the missing sides and angles, and a brief look at the ambiguity in the Sine rule.
YouTube
· Mar 24, 2014
Video thumbnail for The Sine Rule - GCSE Higher Maths
13:46
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The Sine Rule - GCSE Higher Maths

*At 5:36 it should say 29.5847775 A video explaining how to use the sine rule to find missing sides and missing angles. This is for the GCSE higher maths course. Exam Question Booklets:📝 🔗Exam Question Edexcel Style: https://www.1stclassmaths.com/_files/ugd/9f3fb0_d66d853851a440c8a37dcab94144463b.pdf 🔗Exam Questions AQA Style: https ...
YouTube
· Nov 2, 2023
Video thumbnail for Trigonometry made easy
12:43
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Trigonometry made easy

Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. In this video we look at the use of trigonometry with right triangles, solving for both sides and angles. To support tecmath on Patreon: https://www.patreon.com/tecmath BTW for those interested - the history of trigonometry history ...
YouTube
· Oct 16, 2019
Video thumbnail for Sine Rule - Finding a Length - VividMath.com
04:55
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Sine Rule - Finding a Length - VividMath.com

Get your free lessons: https://vividmath.com Use the Law of Sines (Sine Rule) to find a Missing Length in a Non-Right Angled Triangle. See all Trigonometry lessons: https://vividmath.com/trigonometry/tr-trig-foundations/ _________________________________________________________ Social: YouTube: https://www.youtube.com/c/VividMath Facebook ...
YouTube
· Jun 18, 2012
Video thumbnail for Unit Circle Trigonometry - Sin Cos Tan - Radians & Degrees
59:26
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Unit Circle Trigonometry - Sin Cos Tan - Radians & Degrees

This trigonometry tutorial video explains the unit circle and the basics of how to memorize it. It provides the angles in radians and degrees and shows you how to evaluate sin cos and tan. Trigonometry Final Exam Review: https://www.youtube.com/watch?v=OAsbx4TEnL0 Trigonometry - Free Formula Sheet: https://www.video-tutor.net/formula-sheets ...
YouTube
· Jul 29, 2016
Video thumbnail for Sine & Cosine Rules applied to Bearings : ExamSolutions Maths Revision
10:15
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Sine & Cosine Rules applied to Bearings : ExamSolutions Maths Revision

SIGN UP FOR NOW FOR A 30-DAY FREE TRIAL https://www.examsolutions.net/register PREDICTIVE GRADES PLATFORM IS HERE 🚀 ☑️ FREE ExamSolutions AI personal tutor ☑️ Accurate grade predictions ☑️ Personalised resources and tuition ☑️ Guaranteed results or get your money back ENQUIRIES AT:info@examsolutions.net Go to http://www ...
YouTube
· Jan 12, 2016
Video thumbnail for Sine, Cosine, Tangent Trigonometry: Right Triangle Math Explained
13:28
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Sine, Cosine, Tangent Trigonometry: Right Triangle Math Explained

This video shows how to understand and use sine, cosine, tangent (and the inverse versions) functions as they relate to right triangles. Visit https://sites.google.com/site/dcaulfssciencelessons/ for more!
YouTube
· Nov 22, 2011
Video thumbnail for Using the Sine Rule to Find Acute Angles - Advanced Trigonometry - Tutorial/Revision (3/8)
05:42
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Using the Sine Rule to Find Acute Angles - Advanced Trigonometry - Tutorial/Revision (3/8)

YouTube
· Apr 9, 2014
Video thumbnail for How To Use Reference Angles to Evaluate Trigonometric Functions
10:59
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How To Use Reference Angles to Evaluate Trigonometric Functions

This trigonometry video tutorial explains how to use reference angles to evaluate trigonometric functions such as sine, cosine, tangent, secant, cosecant, and cotangent with positive and negative angles in radians and degrees.. You need to have a good understanding of right triangle trigonometry, SOHCAHTOA, 30-60-90 triangle and the 45-45-90 ...
YouTube
· Oct 15, 2017
Video thumbnail for The Sine Rule - Sides and Angles | Grade 7-9 Playlist | GCSE Maths Tutor
30:00
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The Sine Rule - Sides and Angles | Grade 7-9 Playlist | GCSE Maths Tutor

A video revising the techniques and strategies for using the sine rule for side lengths and angles. This video is part of the Pythagoras & Trigonometry module in GCSE maths, see my other videos below to continue with the series. Join this channel to get access to perks: https://www.youtube.com/channel/UCStPzCGyt5tlwdpDXffobxA/join Revision ...
YouTube
· Jan 24, 2022
Video thumbnail for The Maths Prof: The Sine Rule
15:36
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The Maths Prof: The Sine Rule

Find lengths AND angles using the sine rule (aka the law of sines). The sine rule is a method we use to calculate lengths and angles in non right angled triangles.
YouTube
· Jun 5, 2017
Video thumbnail for Law of sines - Triangulation | Triangle Formulas – Trigonometry
11:09
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Law of sines - Triangulation | Triangle Formulas – Trigonometry

Law of sines: Relating angles and opposite sides for any triangle Triangle has sides of lengths a, b, and c opposite the angles A, B, and C then: a/sin A = b/sin B = c/sin C Triangulation: Real-world application of the law of sines to find distances
YouTube
· May 15, 2019
Video thumbnail for Trigonometry - How To Solve Right Triangles
11:00
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Trigonometry - How To Solve Right Triangles

This trigonometry video tutorial explains how to solve right triangles using the Pythagorean theorem and SOHCAHTOA. Trigonometry Final Exam Review: https://www.youtube.com/watch?v=OAsbx4TEnL0 Trigonometry - Free Formula Sheet: https://www.video-tutor.net/formula-sheets.html Trigonometry Video Lessons: https://www.video-tutor.net/evaluating-trig ...
YouTube
· Jan 6, 2020
Video thumbnail for Exact Trig Values - Hand Trick | Trigonometry | Maths | FuseSchool
04:08
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Exact Trig Values - Hand Trick | Trigonometry | Maths | FuseSchool

Exact Trig Values - Hand Trick | Trigonometry | Maths | FuseSchool There are some key angles that have exact values in trigonometry. The ones we need to know are 0, 30, 45, 60 and 90. In this video, we will discover one method to remember what these values are: by counting fingers on our hand! In the first part we explored a different method ...
YouTube
· Mar 12, 2017
Video thumbnail for Law of Sines and Law of Cosines (4 Examples)
09:07
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Law of Sines and Law of Cosines (4 Examples)

Learn how to work with the law of sines and the law of cosines in this video math tutorial by Mario's Math Tutoring. We discuss when to use the law of sines and law of cosines as well as going through 4 unique examples. We discuss how to solve for the missing side or missing angle in a triangle. Related Videos to Help You Succeed: Ambiguous ...
YouTube
· Mar 9, 2020
Video thumbnail for Law of Sines (Sine Law) - Solving Problems Involving Oblique Triangles @MathTeacherGon
21:27
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Law of Sines (Sine Law) - Solving Problems Involving Oblique Triangles @MathTeacherGon

@MathTeacherGon will demonstrate how to use the law of sines in solving problems in oblique triangles. The Six Trigonometric Ratios of Right Triangle https://www.youtube.com/watch?v=L0E7Fm8d4hc The Six Trigonometric Ratios of Special Angles - Trigonometry https://www.youtube.com/watch?v=PVGjWta9vCY&t=36s Solving Right Triangles - Angle of ...
YouTube
· Apr 19, 2021
Video thumbnail for Sine Rule Finding a Missing Angle
03:25
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Sine Rule Finding a Missing Angle

YouTube
· Mar 12, 2012
Video thumbnail for Use the Law of Sines to Determine a Side Length (AAS)
03:55
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Use the Law of Sines to Determine a Side Length (AAS)

This video explains how to use the Law of Sines to determine the length of a side of a triangle. http://mathispower4u.com
YouTube
· May 24, 2018
Video thumbnail for Proof of angle addition formula for sine | Trigonometry | Khan Academy
08:26
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Proof of angle addition formula for sine | Trigonometry | Khan Academy

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/trigonometry/less-basic-trigonometry/angle-addition-formula-proofs/e/understanding-angle-addition-formulas?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry Watch the next lesson: https://www.khanacademy.org/math/trigonometry/less-basic ...
YouTube
· Apr 2, 2014
Video thumbnail for Sine and Cosine Laws When do You Use Each One
15:15
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Sine and Cosine Laws When do You Use Each One

This video shows when you can use the Sine and/or Cosine Laws to find sides or angles in triangles.
YouTube
· Feb 4, 2012
Video thumbnail for Applications of Sine or Cosine Law
22:49
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Applications of Sine or Cosine Law

YouTube
· May 21, 2020
Video thumbnail for Ambiguous case law of sines two triangles SSA
15:58
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Ambiguous case law of sines two triangles SSA

👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions, and no solution. Using the law of sines, we can obtain the value of the angle opposite the second given side ...
YouTube
· Feb 25, 2013
Video thumbnail for Trigonometric Functions: Sine & Cosine of Acute Angles
01:00
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Trigonometric Functions: Sine & Cosine of Acute Angles

Trigonometric functions of acute angles, like sine, cosine, and tangent, are crucial in geometry and trigonometry. They relate the lengths of the sides of a right triangle to its angles. Sine is the ratio of the opposite side to the hypotenuse, cosine is the ratio of the adjacent side to the hypotenuse, and tangent is the ratio of the opposite ...
YouTube
· Feb 10, 2024
Video thumbnail for Sine Rule | O Level Mathematics 4024 | Trigonometry Explained | Concept
07:18
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Sine Rule | O Level Mathematics 4024 | Trigonometry Explained | Concept

Master the Sine Rule with this comprehensive tutorial for O Level Mathematics 4024. This video covers the key concepts, formulas, and step-by-step methods required to apply the Sine Rule effectively in solving trigonometry problems. 📌 Topics Covered: What is the Sine Rule? Understanding the formula and its application When to Use the Sine ...
YouTube
· Mar 9, 2025
Video thumbnail for How to derive Sine rule formula
04:35
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How to derive Sine rule formula

The Sine Rule, also known as the Law of Sines, is a fundamental relation in trigonometry that applies to any triangle (not just right-angled ones). It relates the ratios of the lengths of the sides of a triangle to the sines of their opposite angles. The rule is stated as: a/sinA = b/sinB = c/sinC Where: a, b, and c are the lengths of the sides ...
YouTube
· Oct 8, 2024
Video thumbnail for How to Find the Resultant of Two Vectors using Sine Law and Cosine Law
05:29
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How to Find the Resultant of Two Vectors using Sine Law and Cosine Law

How to Find the Resultant of Two Vectors using Sine Law and Cosine Law #mathteachergon #physics #vectors #resultantvectors
YouTube
· May 8, 2022