Question

A+B=90,sinA=a,sinB=b then prove thatTanA=a/b​

Answer 1

HEY MATE!

HERE IS YOUR ANSWER:

STEP BY STEP EXPLANATION:

Given :A+B=90

B=90-A..(1)

sin A =a

sin B = b

By (1)

sin (90-A)=b

sin (90-A)=cosA=b

NOW, tan A=sinA/cosA = a/b

HOPE IT HELPED YOU ^_^