Mht Cet
Differentiation
MHT CET 2021 23rd September Evening Shift
MCQ+2 / -02021
The derivative of the function \(\cot ^{-1}\left[(\cos 2 x)^{1 / 2}\right]\) at \(x=\pi / 6\) is
Mht Cet
MHT CET 2021 23rd September Evening Shift
The derivative of the function \(\cot ^{-1}\left[(\cos 2 x)^{1 / 2}\right]\) at \(x=\pi / 6\) is