Trigonometry: Trigonometric Functions: The Unit Circle

unit circle  The Unit Circle MVCC Learning Commons Math Lab IT129 Positive: sin, csc Negative: cos, tan, sec, cot Positive: sin, cos, tan, csc, sec, tan Negative: none  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

-The unit circle is a very useful tool that is used often by math, physics, and engineering students to calculate the values of various trigonometric The unit circle is a circle centered at with a radius of 1, and it has symmetric properties Trigonometric ratios of any angle could be found using the

Exercise 1 · Make a unit circle through two points A= and B= · Enter a point C on the circle and mark the angle ∠BAC · Make sure that radians is The unit circle is used as a way to help you evaluate the sin and cos at frequently used angles It accounts for both degree and radian measure