Prove that: `int_0^(pi//2)log|tanx+cotx|dx=pi(log)_e2`

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Answer :

Prove that: `int_0^(pi//2)log|tanx+cotx|dx=pi(log)_e2` A. `-pi log 2` B. `pi log 2` C. `(pi)/(2) log 2` D.

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