May 27, 2016

Homework Help: trig

Posted by Amandeep on Thursday, May 1, 2008 at 12:14am.

sinx = 4/5 and x terminates in Quadrant II

Find sin2x and cos2x

How to get the answers, which are sin2x = -24/25, cos2x = -7/25?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions