\( \cos A = \frac{1}{2} \) হলে, \( \sin A \) -এর মান কত?

A \( \frac{\sqrt{3}}{4} \)

B \( \frac{\sqrt{3}}{2} \)

C \( \frac{3}{4} \)

D \( \frac{1}{\sqrt{2}} \)

Solution

Correct Answer: Option B

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