Current time:0:00Total duration:7:58

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# Sine & cosine identities: symmetry

Sal finds several trigonometric identities for sine and cosine by considering horizontal and vertical symmetries of the unit circle. Created by Sal Khan.

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# Sine & cosine identities: symmetry

Current time:0:00Total duration:7:58

0 energy points

Sal finds several trigonometric identities for sine and cosine by considering horizontal and vertical symmetries of the unit circle. Created by Sal Khan.