Solve for all the possible solutions for
\sin(\theta)=\frac{2}{3}
Solve for one solution for \sin(\cos^{-1}(\frac{3}{5}))
Solve for one solution for \cos(\sin^{-1}(\frac{8}{17}))
Solve for all possible solutions for
\sin(\theta)=0.6852
\theta=
\sin(\theta)=-1/2
\cos(\theta)=\frac{-1}{3}
\cos(\theta)=\frac{1}{3}