SOLUTION: Use the squared identities to simplify 2sin^2xsin^2x. I REALLY NEED HELP WITH THIS PROBLEM :((((

SOLUTION: Use the squared identities to simplify 2sin^2xsin^2x. I REALLY NEED HELP WITH THIS PROBLEM :((((

Algebra.Com

Question 930463: Use the squared identities to simplify 2sin^2xsin^2x.

I REALLY NEED HELP WITH THIS PROBLEM :((((
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
is = ....
here is proof:
...use

.........since

........and

and
but it's NOT simplified form...:-)

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