Question

+ = 1, = 30° and B is an acute angle, then find the value of B.​

Answer 1

I am not in class 10 so I can't answer

Answer 2

Sin 30˚ + Cos B = 1

$\frac{1}{2} + Cos B = 1$

$Cos B = \frac{1}{2}$

B = 60˚