Compound Angles

Creating the compound angle formulae, which provides a way to “expand” trig expressions

Compound Angle Formulae

Creating the compound angle formulae that allows for the expansion of trig angles

Deriving a way to expand trig functions with compound angles

“Expanding” trig functions whose angle is a compound of two other angles

Expanding trig ratios where the angle is a compound of two other angles; it is not just expanding parentheses!