The value of (-660^ ) is : - Vidyadip

MCQ

The value of $\cos \left(-660^{\circ}\right)$ is :

A
$\frac{\sqrt{3}}{2}$
B
$-\frac{1}{2}$
✓
$\frac{1}{2}$
D
$\frac{1}{\sqrt{2}}$

✓

Answer

Correct option: C.

$\frac{1}{2}$

(C )

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