ccos

ccos - Cosine of complex number

float[2] ccos ( float[2] $z )

ccos() returns the cosine of z. The z parameter is a complex number in radians.

Parameters:

z - The complex number to process. It can be one two-element array or an array of two-element arrays. z[0] should contain the real part and z[1] should contain the imaginary part.

Return Value:

The cosine of z. The size of the return value will match that of z.

Version

1.0 and above.