Question

If sin (A + B) = 1 and cos (A - B) = 1, find A, B​

Answer 1

Explanation:

sin (A + B) = 1 =sin 90

A+B=90 equation 1

cos (A - B) = 1=cos 0

A-B=0 equation 2

add 1 and 2

2A=90 A=45

2B=90 B=45