# How do you find the two quadrants that theta could terminate given costheta=-0.45?

Feb 16, 2017

$\pm {93}^{\circ}$
$t = \pm {93}^{\circ}$
Answers for $\left(0 , 2 \pi\right)$
${93}^{\circ} , {273}^{\circ}$ (co-terminal to $- {93}^{\circ}$)