How to express a complex number in trigonometric form. How to convert a complex number from rectangular form to trigonometric form. How to multiply two complex numbers in trigonometric form. How to divide two complex numbers in trigonometric form. How to use DeMoivre's Theorem to compute the cube roots of a complex number. How to find the roots of a complex number quickly using four simple guidelines. How to add and subtract complex numbers. How to raise a complex number to an integer power using DeMoivre's Theorem. How to plot complex numbers on the complex plane. How to multiply imaginary numbers. How to rationalize the denominator when dealing with an imaginary number. How to use the Euler Formula to convert a complex number from the exponential form to rectangular form. How substances behave when their volume is compressed. How to simplify a complex fraction. How elastic substances behave and return to their original states. How to determine what form an equation is written in. How to use standard form of a line. The meaning and uses of atomic numbers. How to use point-slope form of a line.