Trigonometry

Evaluating Inverse Trig Functions

Recall that these are equivalent so solving inverse trig functions are simpler to visualize:

• $\theta =co{s}^{-}1(x)⟺x=cos(\theta )$
• $\theta =si{n}^{-}1(x)⟺x=sin(\theta )$
• $\theta =ta{n}^{-}1(x)⟺x=tan(\theta )$