Mathematics Trigonometry questions from JEE Main 2002.
$\cot ^{-1}(\sqrt{\cos \alpha})=\tan ^{-1}(\sqrt{\cos \alpha})=x$, then $\sin x=$
The number of solution of $\tan x+\sec x=2 \cos x$ in $[0,2 \pi)$ is
The period of $\sin ^2 \theta$ is