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April 23, 2014

April 23, 2014

Posted by **ama** on Sunday, July 1, 2012 at 3:23pm.

- precalculus -
**Damon**, Sunday, July 1, 2012 at 3:28pm5 , 12, 13 right triangle

sin T = 12/13

cos T = -5/13

tan T = -12/5

use identities to get functions of the angle doubled

eg

sin 2T = 2 sin T cos T = 2(12/13)(-5/13)

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