SQL/MX 2.x Reference Manual (G06.24+, H06.03+)

SQL/MX Functions and Expressions

HP NonStop SQL/MX Reference Manual—523725-004

9-11

ACOS Function

The ACOS function returns the arccosine of a numeric value expression as an angle

expressed in radians.

ACOS is an SQL/MX extension.

numeric-expression

is an SQL numeric value expression that specifies the value for the argument of

the ACOS function. The range for the value of the argument is from -1 to +1. See

Numeric Value Expressions on page 6-50.

Examples of ACOS

•

This function returns the value 3.49044274380724352E-001 or approximately

0.3491 in radians (which is 20 degrees):

ACOS (0.9397)

•

This function returns the value 0.3491. The function ACOS is the inverse of the

function COS.

ACOS (COS (0.3491))

ACOS (numeric-expression)