ArcTan
Elementary Functions
ArcTan[
z
]
Transformations
Transformations and argument simplifications
Argument involving basic arithmetic operations
Involving tan
-1
(1-
z
/2
z
1/2
)
Involving tan
-1
(1-
z
/2
z
1/2
) and tan
-1
(1/
z
1/2
) (4 formulas)
ArcTan[
x
,y]