The value of the expression (1 2 ^ -1 2 3 ) - Vidyadip

MCQ

The value of the expression $\tan\Big(\frac{1}{2}\cos^{-1}\frac{2}{\sqrt{3}}\Big)$

A
$2+\sqrt{5}$
✓
$\sqrt{5}-2$
C
$\frac{\sqrt{5}+2}{2}$
D
$5+\sqrt{2}$

✓

Answer

Correct option: B.

$\sqrt{5}-2$

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