Nikhil Upadhyay10 Years agoAll the above 4 answers are wrong. The correct Answer is tan A+ tanB=tan(A+B)*(1-tanAtanB).PLZ CONSIDER THIS>
SHAIK HAFEEZUL KAREEM10 Years agotanA+tanB=tan(A+B)*(1-tanAtanB)this is correct answer cone from the sum of angle formulas i.e.,tan(A+B)=tanA+tanB/1-tanAtanB