Question

If sin A = cos A, 0 < A < 90°, Then A =? ​

Answer 1

Answer:

if sinA=cosA

then

A=45°

Answer 2

sin A = cos A

sin A = sin (90 - A)

A = 90 - A

A + A = 90°

2A = 90°

A = 90 ÷ 2

A = 45°

Hope it helps.