Addition and Subtraction Formulas
This is material that reviews the addition and subtraction formulas.
Double Angle Formulas
This is material that reviews the double angle formulas.
Express as a Single Sine
This is material that reviews how to use the addition formulas to express a sum of sines and cosines as a single sine.
Proof
This is material that is deigned to demonstrate the art of Proof by showing that the left hand side is equal to the right handsie.
Half Angle Formulas
This is material that reviews the half angle formulas.
Power Reducing Formulas
This is material that reviews how to reduce the powers for sine and cosine functions.