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anonymous
 one year ago
Any one out there who can give me a hand doing integrals
anonymous
 one year ago
Any one out there who can give me a hand doing integrals

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Empty
 one year ago
Best ResponseYou've already chosen the best response.0\(\int\)ure, I can help probably.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\int\limits_{?}^{?} \sin2x/1+\cos^2x\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0In class, my teacher said to make the denominator = to u or p

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yeah, let the bottom be your u. You will need an identity on the numerator to get the proper cancellation, though.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Take the derivative of p to get dp. Use the identity for the numerator sin 2x = 2 cos x sin x

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0where did you find the identity?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0that's a double angle identity

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you give a hint on how to get dp

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It's going to be the derivative of 1 + cos² x. Use the chain rule

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0cool, but why? this is the stuff the confuses me

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0because there isn't an easy rule to integrate the original problem, so we use the substitution to make it simpler

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The pic of Ernie is right on point too
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