Question

If sin(A-B)=1/2,cos(A+B)=1/2
find A,B​

Answer 1

Answer:

A= 45, B 15

Step-by-step explanation:

sin (A-B) = sin 30

A-B = 30

cos ( A+B) = cos 60

A+B = 60

A-B = 30

A+B = 60

2A = 90

A = 45

A-B = 30

45- B = 30

15 = B