let g(x)=lnx and f(x)=((1-xcosx)/(1+xcos...

let `g(x)=lnx` and `f(x)=((1-xcosx)/(1+xcosx))` then `int_(-(pi)/(4))^((pi)/(4))g(f(x))dx` is equal to (A) `ln1` (B) `ln2` (C) `ln e` (D) `ln4`

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let g(x)=lnx and f(x)=((1-xcosx)/(1+xcosx)) then int(-(pi)/(4))^((pi)/...
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let g(x)=lnx and f(x)=((1-xcosx)/(1+xcosx)) then int(-(pi)/(4))^((pi)/...
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