Question

if cosA = 3/5 and sinB = 5/13 then value of tanA+tanB / 1-tanAtanB

Answer 1

This Should be your answer.

Answer 2

tanA=4/3
tanB=5/12
TanA+TanB/1-tanA. TanB=
4/3+5/12/1-4/3.5/12=63/16