∫Sin2x/Sin^4x+cos^4x

can u pls help me

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- Mar 7th 2011, 11:42 PMIlsaintegration
∫Sin2x/Sin^4x+cos^4x

can u pls help me - Mar 8th 2011, 12:36 AMProve It
This is almost undreadable... is it or ?

- Mar 8th 2011, 03:08 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

- Mar 8th 2011, 04:01 AMProve It
- Mar 8th 2011, 08:59 AMTheCoffeeMachine
It was calculated in here (through many different methods).

- Mar 9th 2011, 06:04 AMIlsa
- Mar 9th 2011, 06:07 AMIlsa
thanku mr fantastic it was the frst one by the way