The ARCCOS function calculates the angle value (in radians) of a specified cosine.
Return Value
NUMBER
Syntax
ARCCOS(expression)
Parameters
An expression that contains the decimal value of a cosine.
Usage Notes
Invalid Cosine Values
When you provide an ineligible value for the cosine expression (that is, a value greater than 1 or less than -1), ARCCOS returns a value of NA.
1
-1
NA
Examples
Example 7-16 Calculating the Arc of a Cosine
This example calculates the arc of a cosine that has a value of 0.54030. The statement
0.54030
SHOW ARCCOS(.54030)
produces the following result.
1.00
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