Sometimes a complex number is represented as a magnitude and an angle (in the half-open range of 0 to 360 degrees). Provide an implementation of a BigComplex class, in which the data representation is...

Sometimes a complex number is represented as a magnitude and an angle (in the half-open range of 0 to 360 degrees). Provide an implementation of a BigComplex class, in which the data representation is one BigDecimal representing the magnitude and a double representing the angle.