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Consider I=int(sinxcosx)/(a^2sin^2x+b^2c...

Consider `I=int(sinxcosx)/(a^2sin^2x+b^2cos^2x)dx` Put `a^2sin^2x+b^2cos^2x=t` and show that `sinxcosxdx=dt/(2(a^2-b^2))`,

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