x # Trigonometry

Khan Academy, , Prof. Salman Khan

Updated On 02 Feb, 19

##### Overview

Contents:
Basic Trigonometry - Basic Trigonometry - Radians and degrees - Using Trig Functions - The unit circle definition of trigonometric function - Unit Circle Definition of Trig Functions - Graph of the sine function - Graphs of trig functions - Graphing trig functions - More trig graphs - Determining the equation of a trigonometric function - Trigonometric Identities - Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b) - Trigonometry word problems - Law of cosines - Navigation Word Problem - Proof: Law of Sines - Ferris Wheel Trig Problem - Fun Trig Problem - Polar Coordinates - Inverse Trig Functions: Arcsin - Inverse Trig Functions: Arctan - Inverse Trig Functions: Arccos - Trigonometry Identity Review/Fun

## Lecture 1: Basic Trigonometry

4.1 ( 11 )

###### Lecture Details

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

#### 3.3

71 Ratings
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Excellent course helped me understand topic that i couldn't while attendinfg my college. 