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In the following question I figure that i need to prove that h holds true with the trigonometric identity subbed into the denominator.

I'm not sure how to simplify the equation any further after that though.

Can someone provide any insight?

http://img717.imageshack.us/img717/2661/parallax.jpg [Broken]

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I'm not sure how to simplify the equation any further after that though.

Can someone provide any insight?

http://img717.imageshack.us/img717/2661/parallax.jpg [Broken]

Uploaded with ImageShack.us

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