COS

Elemental Intrinsic Function (Generic): Produces the cosine of x.

Syntax

result = COS (x)

x	(Input) Must be of type real or complex. It must be in radians and is treated as modulo 2*pi. If x is of type complex, its real part is regarded as a value in radians.

The result type is the same as x.

Specific Name	Argument Type	Result Type
COS	REAL(4)	REAL(4)
DCOS	REAL(8)	REAL(8)
QCOS	REAL(16)	REAL(16)
CCOS ¹	COMPLEX(4)	COMPLEX(4)
CDCOS²	COMPLEX(8)	COMPLEX(8)
CQCOS	COMPLEX(16)	COMPLEX(16)
¹The setting of compiler options specifying real size can affect CCOS. ²This function can also be specified as ZCOS.

COS (2.0) has the value -0.4161468.

COS (0.567745) has the value 0.8431157.