Question

Sina=cosa then angle A​

Answer 1

Answer:

45°

Step-by-step explanation:

It is only possible at angle A is equal to 45 degree

As sin 45° = 1/ root 2

And cos 45° = 1 / root 2

Answer 2

Answer:

Hi friend . This helps you.

Step-by-step explanation:

sin(a) = cos (a)

sin(a) = sin (90-a)

On comparing

a = 90 - a

2a = 90

a = 90/2

a = 45