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dx5sinx+12cosx

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a
113logtanx2+12tan−1125+C
b
logtanx2+12tan−1125+C
c
113logtanx2−12tan−1125+C
d
None

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detailed solution

Correct option is A

1r∫dxsinx+α         rcosα=5rsinα=12=1rlog⁡tan⁡x+α2+C r=13tan⁡α=125


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