Friday
August 28, 2015

Homework Help: Precalculus

Posted by Lynette on Sunday, December 5, 2010 at 2:17pm.

1.Write the expression as a sum or difference.
cos(5x)cos(-4x)
2.Write the expression as a product.
cos(4x)-cos(12x)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members