Evaluate ======================= Using trig substitution, let , Since , then From here, I do not know how to proceed.
Last edited by Paperwings; December 20th 2009 at 08:34 AM.
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Let
Hello, Paperwings! You have: .
Ah, yes. Thank you. So, Let , Since I am a little unsure how to simplify this. I picture a triangle with sides x and 2. the hypothenuse is . Ah, ok. it's
Last edited by Paperwings; December 20th 2009 at 09:14 PM.
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