1) Polar Coordinates

2) Parametric equations

3) Sequences, series, Induction, Binomial theorm

4) Systems of Equations and Inequalities

5) Probability ( permutations, combinations,etc )

6) Product-to-sum, sum-to-product and Half Angle Formulas in trig.

7) Conics ( Parabolas, Hyperbolas, Ellipses )

8) Polar Equations of Conics

9) Vectors ( Dot product, Cross Product, etc )

Thanks much.