Question

sin A + cos B=1, A=30°& B is an acute angle,then value of B.. please answer​

Answer 1

Answer:

B = 60°

Step-by-step explanation:

sin A + cos B = 1

sin 30° + cos B = 1

1/2 + cos B = 1

cos B = 1/2

But, cos 60° = 1/2

Thus , B = 60°

Hope it helps