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Prove that the function f given by f(x)=...

Prove that the function f given by `f(x)=logcosx` is strictly decreasing on `(0,pi/2)`and strictly increasing on`((3pi)/2,2pi)`.

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A N EXCEL PUBLICATION-APPLICATION OF DERIVATIVES-QUESTION BANK
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  2. Prove that the function f given by f(x)=logsinx is strictly increasing...

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  3. Prove that the function f given by f(x)=logcosx is strictly decreasin...

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