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# Trigonometry

• 12:02 New

### Trig Review for Physics - Common Math Tools - Physics 101, AP Physics 1 Review with Physics Girl

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Creator/Host/Writer: Dianna CowernProducer: Laura ChernikoffHead Writer: Jeff BrockResearcher/Writer: Sophia ChenEditor: Levi ButnerExercises in this video: Problem 1: 1. You are running north-east at a speed of 4 m/s. What component of your velocity is n

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### Trigonometry - Easy to understand 3D animation

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IMPORTANT CORRECTION: The proper way to write the law of cosines is C^2 = A^2 +B^2 - 2AB cos(Ψ)

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### How to Solve Sine & Cosine Equations

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How to Solve Sine & Cosine Equations. Part of the series: Equations. Sine and cosine equations need to be solved in a very specific way. Learn how to solve sine and cosine equations with help from an experienced math tutor in this free video clip. Read mo

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### Pythagoras Theorem Explained - Mathemagic with Bawa

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http://www.youtube.com/watch?v=49_TJymgXgM - Mathemagic - (a+b)²=a²+2ab+b² - But Why? One of the elementary formula in high school mathematics, most of us know this formula. But do we actually know why? In this video Khurshed Batliwala, fon

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### Pythagorean theorem with right triangle

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Pythagorean theorem with right triangle

• 12:55 Popular

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Featured
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• 06:42

### More Examples Finding Vector Angles

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More examples finding vector angles

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### Angles Of Vectors From Components

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Angles of vectors from components

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### Vector Components From Magnitude And Direction

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Vector components from magnitude and direction

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### Combined Vector Operations Example

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Combined vector operations example

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### Example Finding Components Of A Vector

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Example finding components of a vector

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### Equivalent Vectors Examples

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Equivalent vectors examples

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### Example Of Vector Magnitude From Initial And Terminal Points

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Example of vector magnitude from initial and terminal points

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### Example Comparing X Components Of Vectors

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Example comparing x components of vectors

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### Finding Vector Magnitude From Components

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Finding vector magnitude from components

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### Example Calcuating Magnitude Of Vector From Graph

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Example calcuating magnitude of vector from graph

• 05:41

### Understanding Multiplying Vectors By Scalars

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Understanding multiplying vectors by scalars

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### Examples From Understanding Scalar Multiplication Exercise

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Examples from understanding scalar multiplication exercise

• 03:52

### Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

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Watch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

• 05:33

### Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

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Watch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

• 03:52

### Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy

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Watch Sal work through a basic Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-harder?utm_source=YT&utm_medium=Desc&utm_campaig

• 03:45

### Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy

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Watch Sal work through a harder Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-easier?utm_source=YT&utm_medium=Desc&utm_campai

• 03:58

### Basic Trigonometry - Practice Quiz

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Learn basic trigonometry with this fun interactive math quiz. You can skip questions by clicking on the time stamps below. I also provided the solutions to every question. Solution #1: https://www.youtube.com/watch?v=w-4d-IpJmRg Solution #2: https://www.y

• 07:06

### Basic Trigonometry - Practice Question #1

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Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #2: https://www.you

• 04:41

### Basic Trigonometry - Practice Question #2

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Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

• 04:29

### Basic Trigonometry - Practice Question #3

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Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

• 04:21

### Basic Trigonometry - Word Problem

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Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

• 05:23

### Basic Trigonometry - Word Problem #2

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Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

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### Figuring Out Vector Initial Point

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Figuring out vector initial point

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### Vector Components From Initial And Terminal Points

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Vector components from initial and terminal points

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### Introduction To Trigonometric Substitution

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Introduction to trigonometric substitution

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### Visual Pythagorean Theorem Proof

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Visual Pythagorean Theorem Proof - some basic geometry required

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### Pythagorean Theorem

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Pythagorean Theorem More free lessons at: http://www.khanacademy.org/video?v=AEIzy1kNRqo

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### Trigonometric System Example

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2010 IIT JEE Paper 1 Problem 55 Trigonometric System More free lessons at: http://www.khanacademy.org/video?v=Y2ed-g8Lpdc

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### Normal vector from plane equation

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Figuring out a normal vector to a plane from its equation More free lessons at: http://www.khanacademy.org/video?v=gw-4wltP5tY

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### IIT JEE Lagrange's Formula

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2010 IIT JEE Paper 1 Problem 49 Lagrange's Formula More free lessons at: http://www.khanacademy.org/video?v=rndex9FCIdo

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### Vector Triple Product Expansion (very optional)

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A shortcut for having to evaluate the cross product of three vectors More free lessons at: http://www.khanacademy.org/video?v=b7JTVLc_aMk

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### IIT JEE Trigonometric Maximum

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2010 IIT JEE Paper 1 Problem 48 Trigonometric Maximum More free lessons at: http://www.khanacademy.org/video?v=tzR9jUCSniQ

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### IIT JEE Trigonometric Constraints

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2010 IIT JEE Paper 1 Problem 47 Trigonometric Constraints More free lessons at: http://www.khanacademy.org/video?v=EjtjdJZ2x8w

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### IIT JEE Hairy Trig and Algebra (Part 3)

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2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 3) More free lessons at: http://www.khanacademy.org/video?v=KVRpXvrsSKM

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### IIT JEE Hairy Trig and Algebra (Part 2)

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2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 2) More free lessons at: http://www.khanacademy.org/video?v=6t9ogglXNIM

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### IIT JEE Hairy Trig and Algebra (part 1)

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2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc

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### IIT JEE Position Vectors

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2010 IIT JEE Paper 1 problem 32 Position Vectors More free lessons at: http://www.khanacademy.org/video?v=GDXyGy5TjnI

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### IIT JEE Perpendicular Planes (Part 1)

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2010 IIT JEE Paper 1 #30 normal vector and planes (Part 1) More free lessons at: http://www.khanacademy.org/video?v=2u535-HVJ_o

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### IIT JEE Trigonometry Problem 1

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2010 IIT JEE Paper I #29 Trigonometry problem More free lessons at: http://www.khanacademy.org/video?v=X7GT9JKoAbo

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### Basic Trigonometry II

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Another example of figuring out the sine, cosine, and tangent of an angle in a right triangle

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### Basic Trigonometry

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An introduction to trigonometric functions: sine, cosine, and tangent.

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### Basic Trigonometry

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Introduction to trigonometry More free lessons at: http://www.khanacademy.org/video?v=Jsiy4TxgIME