The Unit Circle - Hand Trick -

Unit circle Trigonometry unit circle The unit circle definition allows us to extend the domain of sine and cosine to all real numbers The process for determining the sinecosine of any angle θ ‍ unit circle A unit circle is a circle on xy x y plane, centred at origin and having radius equal to one unit Angle on a unit circle is an angle between

united thai nation party We can use coordinates to describe any point along the outer edge of the circle The x value or x-coordinate represents the distance