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