Algebra 2/Trigonometry: Working with Polar and Rectangular Coordinates includes brief notes, examples, and practice test (with detailed solutions).. Topics cover converting polar to rectangular; plotting polar coordinates; complex number system, and more; The updated product file offers extra examples, imaginary numbers quiz, and 3 comics. Available at mathplane.org. (Or, download here and support mathplane and TeachersPayTeachers.). Thanks for visiting!