1.

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

Answer»

$\FRAC{(1-cosA)}{SINA}$ : option 1 is the CORRECT ANSWER



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