AngleTrigonomotry extension

Adds standard trigonometry calculations to Angle.

on

Methods

cos() double
sin() double
tan() double

Static Methods

atan(double x) Angle
Standard dart:math atan() function, adjusted to return an Angle instead of a double.
atan2(double a, double b) Angle
Standard dart:math atan2() function, adjusted to return an Angle instead of a double.