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`intsqrt[1+sin2x]dx`

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`intsqrt[1+sin2x]dx`
A. `sinx + cosx + C`
B. `-sinx + cos x + C`
C. `sin x - cos x + C`
D. `-sin x - cos x + C`
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1 Answer

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Correct Answer - C
`(1+ sin 2x) = sin^(2) x + cos^(2)x + 2sin x cos x = (sinx +cosx)^(2)`
`sqrt(1+sin2x) = (sinx + cosx)`.
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