Practicing Success
Practicing Success
CUET Preparation Today
The value of $cot^{-1}(-1)+cosec^{-1}(-\sqrt{2}) + sec^{-1} (2)$ , is |
$\frac{5\pi}{6}$ $\frac{2\pi}{3}$ $\frac{7\pi}{6}$ $\frac{\pi}{6}$ |
$\frac{5\pi}{6}$ |
$cot^{-1}(-1)+cosec^{-1}(-\sqrt{2}) + sec^{-1} (2)$ $=\frac{3\pi}{4}-\frac{\pi}{4}+\frac{\pi}{3}=\frac{5\pi}{6}$ |
