Question

If cot ( 90 – A ) = 1 then A = ?​

Answer 1

Answer:

Cot (90-A)=1

Cot (90°-A)=Cot45°

90°-A=45°

90°-45°=A

45°=A

Answer 2

Answer:

45°

Step-by-step explanation:

Cot(90°- theta) = Tan theta,

since tan 45° =1

:- A= 45°

Hope it helps.