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1)

If g(x)=sin(2x)sinxsin1(t)dt , then


A) g(π2)=2π

B) g(π2)=2π

C) g(π2)=2π

D) g(π2)=2π

Answer:

Option *

Explanation:

g(x)=sin(2x)sinxsin1(t)dt 

g(x)=2cos2xsin1(sin2x)cosxsin1(sinx)

g(π2)=2sin1(0)=0

g(π2)=2sin1(0)=0 

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