Evaluate : cosec^ -1 (2 / 3) - Vidyadip

MCQ

Evaluate : $\operatorname{cosec}^{-1}(2 / \sqrt{3})$

A
$\frac{\pi}{4}$
✓
$\frac{\pi}{3}$
C
$\frac{\pi}{6}$
D
$\frac{5 \pi}{3}$

✓

Answer

Correct option: B.

$\frac{\pi}{3}$

(b) : $\operatorname{cosec}^{-1}(2 / \sqrt{3})=\operatorname{cosec}^{-1}\left(\operatorname{cosec}\left(\frac{\pi}{3}\right)\right)=\frac{\pi}{3}$

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