Name
acos — return the arc cosine of a value, in radians
Synopsis
acos(
|
in x double precision); |
Description
acos returns the arc cosine of
x as an angle in radians in the range 0 to π. The
argument is converted to an IEEE 64-bit float and the result is of that
type.
Parameters
x
Value in the closed interval [-1, 1], as double precision.
Return Types
acos returns a double precision angle in
radians.
Examples
Example 24.516. Simple example
SQL> select acos(0.5);
unnamed
DOUBLE PRECISION NOT NULL
_______________________________________________________________________________
1.047197551196598
1 Rows. -- 1 msec.