Neoview SQL Reference Manual (R2.5)

ACOS Function
The ACOS function returns the arccosine of a numeric value expression as an angle expressed
in radians.
ACOS is a Neoview SQL extension.
ACOS (numeric-expression)
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” (page 265).
Examples of ACOS
The ACOS function returns the value 3.49044274380724416E-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 Function 345