Unit Circle

unit circle  Learn Defining the Unit Circle with free step-by-step video explanations and practice problems by experienced tutors  Using the right triangle and the Pythagorean Theorem, we can see that x2 + y2 = 1 Thus, the equation of the unit circle is x2 + y2 = 1

The Unit Circle is a circle with a radius of 1 and is centered at the coordinate point $$ The unit circle is used to show the trigonometric functions Unit Circle : Example Question #1 What point corresponds to the angle displaystyle -pi on the unit circle? Explanation: The unit circle is the circle of

A unit circle can help you see the relationship between cosine and sine coordinates of angles along with the measurement of the angles in radians To memorize We will use these coordinates in later sections to find trigonometric functions of special angles on the unit circle x 1 1 45o 2 2