@rayyamhk/complex/lib/core/static/sin.js

A lightweight and easy-to-use library for you to manipulate complex numbers

"use strict";

/**
 * Calculates the sine of a Complex Number.
 * @memberof Complex
 * @static
 * @param {Complex} num - Any Complex Number
 * @returns {Complex} The result of sine function
 */
function sin(num) {
  if (!(num instanceof this)) {
    return this.NaN;
  }

  var a = num.getReal();
  var b = num.getImaginary();
  return new this(Math.sin(a) * Math.cosh(b), Math.cos(a) * Math.sinh(b));
}

module.exports = sin;