Question

Calcule o valor de Y
sen 30°=0,50 cos 30°=0,70
sen 60°=0,57 cos 60°= 1

Answer 1

$sen\; x = \frac{cateto\;oposto}{hipotenusa}$

$sen\; 30 = \frac{4 \sqrt{3}}{y}$

$0,5 = \frac{4 \sqrt{3}}{y}$

$0,5y = 4 \sqrt{3}$

$y = \frac{4 \sqrt{3}}{0,5}$

$y = 8\sqrt{3}$