Wednesday
August 5, 2015

Homework Help: mth, trig

Posted by shay on Wednesday, April 18, 2012 at 11:10am.

Given cos a=-7/25 in quadrant II , and sin b=-12/13, in quadrant IV , find cos(a+b) and sin2a

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members