COS - Cosine

The COS function returns the cosine of the angle or arc that is specified in radians by argument-1.
The type of this function is numeric.

Format

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FUNCTION COS (argument-1)

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Argument

1. argument-1 must be class "numeric".

Returned value

1. The returned value is the approximation of the cosine of argument-1 and is greater than or equal to -1 and less than or equal to +1.

See also:        ACOS, SIN, ASIN, TAN, ATAN

Example 9-8

...
DATA DIVISION.
WORKING-STORAGE SECTION.
01  R PIC S9V9(10).
01  RES PIC -9.9(10).
PROCEDURE DIVISION.
P1 SECTION.
MAIN.
    COMPUTE R = FUNCTION COS (3.1425).
    MOVE R TO RES.
    DISPLAY RES UPON T.
    STOP RUN. 

Result:                -0.9999995883