How to find the sum of a geometric series.
How to find the sum of an arithmetic series.
How to derive the sine of a sum formula.
How to use DeMoivre's Theorem to compute the cube roots of a complex number.
How to define a series.
How to use the sine and cosine addition formulas to prove the double-angle formulas.
How to compute the sum of two vectors or the product of a scalar and a vector.