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If `pi/4<x<pi/2`, then `int (sinx-cosx)/sqrt(1-sin2x)e^(sinx)` cosxdx equal
A. |
`e^(sinx)+c` |
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B. |
`e^(sin x-cos x)+c` |
C. |
`-e^(sin x)+c` |
D. |
`e^(cos x)+c` |
`int (sinx-cosx)/sqrt(1-sin2x)e^(snx)` cosxdx