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