Sunday

February 7, 2016
Posted by **Anonymous** on Tuesday, February 21, 2012 at 2:28pm.

(1/sinx)(sin^2x + cos^2x(sinx/cosx) )/(sinx + cosx)

= (sinx + cosx)/(sinx+cosx)

= 1

Reiny helped with this question but I don't how Reiny did it.

Please explain

- Trig -
**Anonymous**, Tuesday, February 21, 2012 at 3:02pmnevermind I figured it out