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