Let f(x)=∫xsinx(1+xcosxlnx˙+sinx)dxandf(2π)=4π2˙ Then the value of ∣cos(f(π))∣ is____

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Let $f (x) = \int x^{s i n x} (1 + x cos x \dot{ln x} + sin x) d x a n d f (\frac{π}{2}) = \frac{π ^{2}}{4} ˙$ Then the value of $∣ cos (f (π)) ∣$ is____

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Henry Discussed

Let

f (x) = \int x^{s i n x} (1 + x cos x \dot{ln x} + sin x) d x a n d f (\frac{π}{2}) = \frac{π ^{2}}{4} ˙

Then the value of

∣ cos (f (π)) ∣

is____

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Question Text

Let

f (x) = \int x^{s i n x} (1 + x cos x \dot{ln x} + sin x) d x a n d f (\frac{π}{2}) = \frac{π ^{2}}{4} ˙

Then the value of

∣ cos (f (π)) ∣

is____