Current time:0:00Total duration:11:07

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# Review of trig angle addition identities

Sal reviews all the different trigonometric angle addition identities: sin(a+b), sin(a-c), cos(a+b), cos(a-b), cos(2a), and sin(2a). Created by Sal Khan.

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# Review of trig angle addition identities

Current time:0:00Total duration:11:07

0 energy points

Sal reviews all the different trigonometric angle addition identities: sin(a+b), sin(a-c), cos(a+b), cos(a-b), cos(2a), and sin(2a). Created by Sal Khan.