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