Unit Circle

Unit Circle unit circle Unit Circle The Unit Circle is a circle centered at the origin with radius equal to 1 It can be used to evaluate trigonometric functions Think of a number unit 731 The unit circle can be used to calculate the trigonometric functions sin The unit circle has a radius of one The intersection of the x and y-axes

unit 731 The unit circle chart shows the position of the points along the circle that are formed by dividing the circle into equal parts

unit731 The equation for the unit circle is x2+y2=1 So if we know one of the two coordinates of a point on the unit circle, we can substitute that The unit circle is a useful tool that helps find the sines, cosines, and tangents of angles quickly! This graphed circle with a radius of 1