Question

Hi .... please give the solution for the question:-)
If 2 cos (A+B)=2 sin(A-B)=1;find the values of A and B​

Answer 1

Step-by-step explanation:

hope you will understand

Answer 2

Answer:

2cos(a+b)=1/2

cos(a+b)=cos60°

a+b=60

a-b=30

a=45° ,b=15°