Question

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

Answer 1

Answer:

Step-by-step explanation:

a=42,b=58,A=36°

$\frac{sin B}{b} =\frac{sin~ A}{a} \\sin~B=\frac{b \times ~sin~ A}{a} \\\\sin~B=\frac{58 \times sin~36}{42} \\B=sin ^{-1}( \frac{58 \times sin~36}{42} ) \approx 54^\circ$