1.

If $tan\left(\frac{\pi}{2}-\frac{\alpha}{2}\right)$ = $\sqrt{3}$ , then the value of $cos\alpha$ is1). $\frac{1}{\sqrt{2}}$2). $\frac{1}{2}$3). 04). $\frac{\sqrt{3}}{2}$

Answer» CORRECT ANSWER is: OPTION 2


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