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Evaluate : int(dx)/(cos^(4)x+sin^(4)x)....

Evaluate : `int(dx)/(cos^(4)x+sin^(4)x)`.

Text Solution

Verified by Experts

The correct Answer is:
`1/sqrt(2)tan^(-1)((tan^(2)x-1)/(sqrt(2)tanx))+c`
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