1.The number of real roots of the equation sin[2cos−1{cot(2tan−1x)}]=0\sin [2 \cos^{-1} \{ \cot (2 \tan^{-1} x) \} ] = 0sin[2cos−1{cot(2tan−1x)}]=0 that are greater than or equal to one area.111b.222c.333d.444Login to continueOnly logged in users canattempt or see the solution.
