﻿ Trigonometry Videos | Safe Videos for Kids
Welcome

# Trigonometry

• 00:26

### How Egyptians Made Right Angles #shorts

/ 269 views

The Egyptians didn't know the Pythagorean Theorem, but they figured out a way to make perfect 3-4-5 right triangles using segments of rope. It's so common sense, unsophisticated, and elegant that it's an example of a proof without words AND mathematical b

• 00:58

### The (Nearly) Perfect Pi Approximation #shorts

/ 516 views

We can't write out every digit of Pi every time we use it, but we've got to represent it somehow. And you were probably taught that 22/7 was a great option. Well... it's an okay option. It's not bad, but it's not amazing.355/113 is so close to the real va

• 12:02 Popular

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

/ 981 views

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

• 16:29 Popular

### Trigonometry - Easy to understand 3D animation

/ 711 views

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

• 02:20 Popular

### How to Solve Sine & Cosine Equations

/ 1,708 views

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

• 03:48

### Pythagorean theorem with right triangle

/ 668 views

Pythagorean theorem with right triangle

• 12:55 Popular

### Math Antics - The Pythagorean Theorem

/ 2,342 views

Featured
• 06:23

/ 605 views

• 07:37 Popular

### Einstein Velocity Addition Formula Derivation

/ 810 views

• 06:42 Popular

### More Examples Finding Vector Angles

/ 718 views

More examples finding vector angles

• 09:01

### Angles Of Vectors From Components

/ 700 views

Angles of vectors from components

• 10:16

### Vector Components From Magnitude And Direction

/ 567 views

Vector components from magnitude and direction

• 05:59

### Combined Vector Operations Example

/ 601 views

Combined vector operations example

• 06:22 Popular

### Visually Adding And Subtracting Vectors

/ 812 views

• 07:42 Popular

/ 1,187 views

• 03:18

### Example Finding Components Of A Vector

/ 584 views

Example finding components of a vector

• 06:37 Popular

### Equivalent Vectors Examples

/ 743 views

Equivalent vectors examples

• 05:49

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

/ 650 views

Example of vector magnitude from initial and terminal points

• 02:55

### Example Comparing X Components Of Vectors

/ 612 views

Example comparing x components of vectors

• 03:06

### Finding Vector Magnitude From Components

/ 584 views

Finding vector magnitude from components

• 03:38

### Example Calcuating Magnitude Of Vector From Graph

/ 572 views

Example calcuating magnitude of vector from graph

• 05:41 Popular

### Understanding Multiplying Vectors By Scalars

/ 701 views

Understanding multiplying vectors by scalars

• 04:53 Popular

### Examples From Understanding Scalar Multiplication Exercise

/ 736 views

Examples from understanding scalar multiplication exercise

• 03:52

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

/ 700 views

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 Popular

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

/ 716 views

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 Popular

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

/ 879 views

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 Popular

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

/ 1,022 views

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

• 04:21 Popular

### Basic Trigonometry - Word Problem

/ 729 views

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

• 05:37

### Figuring Out Vector Initial Point

/ 697 views

Figuring out vector initial point

• 06:21

### Vector Components From Initial And Terminal Points

/ 699 views

Vector components from initial and terminal points

• 08:53

### Introduction To Trigonometric Substitution

/ 666 views

Introduction to trigonometric substitution

• 08:50 Popular

### Visual Pythagorean Theorem Proof

/ 782 views

Visual Pythagorean Theorem Proof - some basic geometry required

• 13:03

### Pythagorean Theorem

/ 692 views

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

• 11:03 Popular

### Trigonometric System Example

/ 791 views

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

• 09:58

### Normal vector from plane equation

/ 691 views

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

• 11:30 Popular

### IIT JEE Lagrange's Formula

/ 824 views

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

• 14:25 Popular

### Vector Triple Product Expansion (very optional)

/ 898 views

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

• 09:55 Popular

### IIT JEE Trigonometric Maximum

/ 782 views

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

• 12:49 Popular

### IIT JEE Trigonometric Constraints

/ 830 views

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

• 06:28

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

/ 685 views

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

• 09:54 Popular

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

/ 702 views

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

• 10:10 Popular

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

/ 718 views

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

• 06:43 Popular

### IIT JEE Position Vectors

/ 809 views

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

• 10:26 Popular

### IIT JEE Perpendicular Planes (Part 1)

/ 846 views

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

• 15:14 Popular

### IIT JEE Trigonometry Problem 1

/ 783 views

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

• 05:56

### Basic Trigonometry II

/ 685 views

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

• 08:45

### Basic Trigonometry

/ 626 views

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

• 09:17

### Basic Trigonometry

/ 691 views

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