Wednesday
August 24, 2016

Homework Help: Math

Posted by Amy on Saturday, March 19, 2011 at 10:00am.

the original problem was:
(sin x + cos x)^2 + (sin x - cos x)^2 = 2

steps too please

I got 1 for (sin x + cos x)^2

but then what does (sin x - cos x)^2 become since it's minus?

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions