Question

Urgent!!! Please help 29 points. I don’t got a calculator :(

Answer 1

Explanation:

a=42,b=58,A=36°

`(sin B)/(b) =(sin~ A)/(a) \\sin~B=(b * ~sin~ A)/(a) \\\\sin~B=(58 * sin~36)/(42) \\B=sin ^(-1)( (58 * sin~36)/(42) ) \approx 54^\circ`