Oracle/PLSQL: Atan Function

In Oracle/PLSQL, the atan function returns the arc tangent of a number.

The syntax for the atan function is:

atan( number )

number is the number used to calculate the arc tangent.

Applies To:

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

For example:

atan(0.2)	would return 0.197395559849881
atan(0.35)	would return 0.336674819386727
atan(-0.15)	would return -0.148889947609497