Q.
The function f whose graph passes through (π/4,0)and whose derivative is log(tanx)sinxcosx is given by
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a
(logtanx)2+π4
b
12(logcosx)2
c
12(logsinx)2
d
12(logtanx)2
answer is D.
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Detailed Solution
f(x)=∫log(tanx)sinxcosx=12(logtanx)2+C0=fπ4=12(log1)2+C⇒C=0
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