1.

If tanA + tanB = X, then the value of X is1). $\frac{(tanA - tanB)}{(1 + tanAtanB)}$2). $\frac{(tanA + tanB)}{(1 - tanAtanB)}$3). $\frac{(tanA + tanB)}{(1 + tanAtanB)}$4). $\frac{(tanA - tanB)}{(1 - tanAtanB)}$

Answer» CORRECT ANSWER is: OPTION 2


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