Question

If tan A=cot B,prove that A +B =90°​

Answer 1

Answer:

GIVEN THAT TANA=TANB

COT (90-A)=COTB(TANTETA=COT (90-TETA)

90-A=B

1. A+B=90

Answer 2

Answer:

Tan A = Cot B

Tan A = Tan (90-B)

A = 90-B

therefore, A+B=90°