ArcTan
Elementary Functions
ArcTan[
z
]
Representations through equivalent functions
With related functions
Involving csch
-1
Involving tan
-1
(
z
)
Involving tan
-1
(
z
) and csch
-1
(2
1/2
(1+
z
2
)
1/4
/(1-(1+
z
2
)
1/2
)
1/2
) (3 formulas)
ArcTan[
x
,y]