Trigonify

Topics · 3 identities

Inverse

Domains and ranges of arcsine, arccosine, and arctangent.

arcsin range

arcsin⁡:[−1,1]→[−π2,π2]\arcsin : [-1, 1] \to [-\tfrac{\pi}{2}, \tfrac{\pi}{2}]
Open identity

arctan range

arctan⁡:R→(−π2,π2)\arctan : \mathbb{R} \to (-\tfrac{\pi}{2}, \tfrac{\pi}{2})
Open identity