∫Sin2x/Sin^4x+cos^4x

can u pls help me

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- March 7th 2011, 10:42 PMIlsaintegration
∫Sin2x/Sin^4x+cos^4x

can u pls help me - March 7th 2011, 11:36 PMProve It
This is almost undreadable... is it or ?

- March 8th 2011, 02:08 AMHallsofIvy
Undreadable? We shouldn't dread it then? I will assume that you mean

since the other would be almost trivial.

Use trig identities:

and

- March 8th 2011, 03:01 AMProve It
- March 8th 2011, 07:59 AMTheCoffeeMachine
It was calculated in here (through many different methods).

- March 9th 2011, 05:04 AMIlsa
- March 9th 2011, 05:07 AMIlsa
thanku mr fantastic it was the frst one by the way