1.

If tanA + tanB = X, then the value of X is

A. (tanA - tanB)/(1 + tanAtanB)
B. (tanA + tanB)/(1 - tanAtanB)
C. (tanA + tanB)/(1 + tanAtanB)
D. (tanA - tanB)/(1 - tanAtanB)
Answer» C. (tanA + tanB)/(1 + tanAtanB)


Discussion

No Comment Found