Question

$16\sin \left(20^{\circ }\right)\sin \left(40^{\circ }\right)\sin \left(80^{\circ }\right)$ is equal to :

• A. $\sqrt{3}$
• B. $2\sqrt{3}$
• C. 3
• D. $4\sqrt{3}$

Answer 1

Answer: (B)

Correct answer is (b) $2\sqrt{3}$