CUET Preparation Today
CUET
-- Mathematics - Section B1
Continuity and Differentiability
If $y=\tan ^{-1} x$ then $\frac{dy}{dx}$ at $y=\frac{\pi}{3}$ is equal to:
1
$\frac{1}{2}$
$\frac{1}{3}$
$\frac{1}{4}$
The correct answer is Option (4) → $\frac{1}{4}$
