Trigonometric

Sine, cosine, tangent and inverses (radians)

Function	What it does
math.Acos	Arc cosine
math.Asin	Arc sine
math.Atan	Arc tangent
math.Atan2	Arc tangent of y/x
math.Cos	Cosine (radians)
math.Sin	Sine (radians)
math.Tan	Tangent (radians)