# How do you use a calculator to find csc^-1(2pi/9)?

Find ${\csc}^{-} 1 \left(\frac{2 \pi}{9}\right)$
Ans: ${44}^{\circ} 25$
$\csc \left(0.70\right) = \frac{1}{\sin \left(0.70\right)}$
Use calculator to find --> sin x = 0.70 --> arc $x = {44}^{\circ} 25$