February 21, 2017

Homework Help: trig

Posted by donny on Friday, April 30, 2010 at 9:08pm.

can someone please help me with this problem. i'm doing my review right now and i'm stuck?

Find cos(s + t) given that cos s = 1/3, with s in quadrant 1, and sin t = -1/2, with t in quadrant 4.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions