JEE Math Practice Question
If $$\int\limits_0^{{\pi \over 2}} {{{\cot x} \over {\cot x + \cos ecx}}} dx$$ = m($$\pi $$ + n), then m.n is equal to
- A.- 1
- B.1
- C.$$ - {1 \over 2}$$
- D.$${1 \over 2}$$
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