ArcTan
Elementary Functions
ArcTan[
z
]
Representations through equivalent functions
With related functions
Involving cosh
-1
Involving tan
-1
(
z
2
/1-
z
2
1/2
)
Involving tan
-1
(
z
2
/1-
z
2
1/2
) and cosh
-1
(
z
) (6 formulas)
ArcTan[
x
,y]
