Saturday
August 29, 2015

Homework Help: trig

Posted by Evelina on Saturday, November 12, 2011 at 10:45am.

How to do this one?
(sina/1-cosa) + (1-cosa/sina) =

Also, wanted to ask if I did another one right:
1 - sin^2a + tg^2a * cos^2a = 1 - sin^2a + (sina/cosa)^2 * cos^2a = 1 - sin^2a + sin^2a = 1 ???

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members