If 2sin (A+B)-1=0 and 2sin (A-B)-square root of blank end root3=0

Find A and B

Asked by abhiraj.abhinav39 | 31st May, 2019, 05:23: PM

Expert Answer:

2 sin (A + B) - 1 = 0 and 2 sin (A - B) - √3 = 0
2sin(A + B) = 1 and 2sin (A - B) =  √3 
sin (A + B) = 1/2 and sin (A - B) = √3/2
A + B = 30° and A - B = 60°
Solving both equations simultaneously we get A = 45° and B = -15°

Answered by Sneha shidid | 31st May, 2019, 06:25: PM