Question

if sin(A-b)=1/2 and cos(A+B)=1/2, then find A and B.

Answer 1

Sin(A-B) = 1/2
= A-B = 30
Bec sin 30 = 1/2
Cos(A+B) = 1/2

= (A+B) = 60
Bec cos 60 = 1/2
Now, A-B = 30
A+B = 60
= 2A = 90
= A = 45
Put A value in eq. 2
A+B = 60
= 45+B = 60
B = 60-45
B= 15 .
A=45 and B = 15.
Hope it helps.....

Answer 2

Answer:

Step-by-step explanation: