cos
Computes the cosine of a complex number. The cosine of a complex number is calculated using the formula: cos(a + bi) = cos(a)cosh(b) - i*sin(a)sinh(b), where a and b are the real and imaginary parts of the complex number, respectively.
Return
A new instance of Complex representing the cosine of the given complex number.
Parameters
complex
The complex number for which the cosine is to be calculated.