Question

If sin(A + 2B) =√3/2and cos(A+B)= 1/√2. where A and B are acute angles, find B.​

Answer 1

Answer:

B=15

Step-by-step explanation:

sin(A + 2B) =√3/2=sin60           A + 2B=60

cos(A+B)= 1/√2 =cos45           A+B=45

B=15