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January 30, 2015

January 30, 2015

Posted by **tina** on Thursday, January 31, 2013 at 10:49pm.

- trig -
**Reiny**, Thursday, January 31, 2013 at 11:46pmcos(π/2 - Ø) = sinØ , complementary angle property

then

cos(+pi/2-theta)/csctheta+cos^2theta

= cos(π/2-Ø) * 1/cscØ + cos^2 Ø

= sinØ ( sinØ) + cos^2 Ø

= sin^2 Ø + cos^2 Ø

= 1

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