Trigonometry
– Angles and the Unit Circle. Angles and the Unit Circle For each measure, draw an angle with its vertex at the origin of the coordinate plane, use the.
4.2, 4.4 – The Unit Circle, Trig Functions The unit circle is defined by the equation x 2 + y 2 = 1. It has its center at the origin and radius 1. (0,
4.2, 4.4 – The Unit Circle, Trig Functions
