Trigonometry

Khan Academy Course , Prof. Salman Khan

Lecture 1: Basic Trigonometry

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Lecture Details :

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

Course Description :

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

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