\( \cos \left(30^{\circ}\right) \) is equal to P (A) \( \frac{\sqrt...

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\( \cos \left(30^{\circ}\right) \) is equal to
P
(A) \( \frac{\sqrt{3}}{2} \)
(B) \( \frac{1}{2} \)
(C) \( \frac{1}{\sqrt{2}} \)
(D) None of these
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