Question

If sin A – cos A = 0, 0 ≤ A ≤ 900

, find the value of A.

Answer 1

Answer:

A=45°

Step-by-step explanation:

sin A – cos A = 0

or,sin A=cos A

or,sin A=sin(90°-A)

or,A=90°-A

or,2A=90°

or,A=90°/2

or,A=45°