Inverse Trig Restrictions

arcsin — Domain: [−1,1] | Range: [−π2,π2]

arccos — Domain: [−1,1] | Range: [0,π]

arctan — Domain: (−∞,∞) | Range: (−π2,π2)

arccsc — Domain: (−∞,−1]∪[1,∞) | Range: [−π2,0)∪(0,π2]

arcsec — Domain: (−∞,−1]∪[1,∞) | Range: [0,π], y≠π2

arccot — Domain: (−∞,∞) | Range: (0,π)