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August 21, 2014

August 21, 2014

Posted by **mien** on Wednesday, February 1, 2012 at 7:25am.

- trig -
**Reiny**, Wednesday, February 1, 2012 at 11:15amprove : 1 + sin^2 Ø = 2sin^2 Ø + cos^2Ø

this one is really easy

LS = 1 + sin^2 Ø

= sin^2 Ø + cos^2 Ø + sin^2Ø

= 2sin^2 Ø + cos^2 Ø

= RS

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