docs: public static BigComplex sin(BigComplex x, MathContext mathContext) {
  		MathContext mc = new MathContext(mathContext.getPrecision() + 4, mathContext.getRoundingMode());
  		
  		return BigComplex.valueOf(
  				BigDecimalMath.sin(x.re, mc).multiply(BigDecimalMath.cosh(x.im, mc), mc).round(mathContext),
  				BigDecimalMath.cos(x.re, mc).multiply(BigDecimalMath.sinh(x.im, mc), mc).round(mathContext));
  	}