Tuesday
July 7, 2015

Homework Help: Trig

Posted by Don on Tuesday, December 27, 2011 at 6:37pm.

cos45cos25 - sin 45sin25 = ??
a. cos70
b. sin70
c. cos 20
d. sin 20


which answer is correct ?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members