1.

If $\frac{(1+cosA)}{2}$ = x, then the value of x is1). $sin^{2}\frac{A}{2}$2).√$sin\frac{A}{2}$3).√$cos\frac{A}{2}$4). $cos^{2}\frac{A}{2}$

Answer» ANSWER for this QUESTION is $COS^{2}\FRAC{A}{2}$


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