/// <summary>
/// Returns the tangent of the specified complex number.
/// </summary>
/// <param name="value">A complex number.</param>
/// <returns>The tangent of value.</returns>
public static Complex Tan(Complex value)
{
double sa = Functions.Sin(value.A);
double ca = Functions.Cos(value.A);
double shb = Functions.Sinh(value.B);
double cha = Functions.Cosh(value.B);
return((new Complex(sa * cha, ca * shb)) / (new Complex(ca * cha, -sa * shb)));
}
/// <summary>
/// Returns the sine of the specified complex number.
/// </summary>
/// <param name="value">A complex number.</param>
/// <returns>The sine of value.</returns>
public static Complex Sin(Complex value)
{
return(new Complex(Functions.Sin(value.A) * Functions.Cosh(value.B), Functions.Cos(value.A) * Functions.Sinh(value.B)));
}