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Arctan
Declaration:
Function Arctan (X : Real) : Real;
Description:
Arctan
returns the Arctangent of
X
, which can be any Real type. The resulting angle is in radial units.
Errors:
None
See also:
Sin
(
574
),
Cos
(
478
)
Listing:
refex/ex4.pp
Program
Example4;
{
Program
to
demonstrate
the
ArcTan
function.
}
Var
R
:
Real;
begin
R:=ArcTan(0);
{
R:=0
}
R:=ArcTan(1)/pi;
{
R:=0.25
}
end.
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