Oracle/PLSQL: Acos Function

In Oracle/PLSQL, the acos function returns the arc cosine of a number.

The syntax for the acos function is:

acos( number )

number is the number used to calculate the arc cosine.

Applies To:

• Oracle 8i, Oracle 9i, Oracle 10g, Oracle 11g

For example:

acos(0.2)	would return 1.36943840600457
acos(0.35)	would return 1.21322522314939
acos(-0.15)	would return 1.72136459957158