JEE Main 2009Annual, Paper 1MathematicsMediumIntegral Calculus369× since 2002∫0π[cotx]dx,\int\limits_0^\pi {\left[ {\cot x} \right]dx,}0∫π[cotx]dx, where [.]\left[ . \right][.] denotes the greatest integer function, is equal to:AOption A. 111BOption B. −1-1−1COption C. −π2- {\pi \over 2}−2πDOption D. π2{\pi \over 2}2πCheckSkip · show solution
