Mathematics · 2019
JEE Main · 12 April 2019, Shift 1 · Q75
If ∫_0^((π)/2) (cot x)/(cot x+ cosec x) d x= m (π+ n ), then m · n is equal to:
If $\displaystyle \int_0^{\frac{\pi}{2}} \frac{\cot x}{\cot x+\operatorname{cosec} x} d x=\mathrm{m}(\pi+\mathrm{n})$, then
$\displaystyle \mathrm{m} \cdot \mathrm{n}$ is equal to :
Official answer
(2)
$\displaystyle -1$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.