Trigonometry (11th Edition) Clone

$x=3$ $arcsin(-y)$
$y=-sin\frac{x}{3}$ Need to solve $x$ in order to find this multiply the above equation by -1 both sides. $-y=sin\frac{x}{3}$ Apply definition of arcsine. $\frac{x}{3}=arcsin(-y)$ $x=3$ $arcsin(-y)$