Unit Circle Finding Trig Values

Learn how to find trig values of angles using the Unit Circle in this free math video by Mario's Math Tutoring. We discuss how to find the sine, cosine, tangent, cosecant, secant, and cotangent of an angle both in degrees and radians.

0:40 Discussing How the Coordinates on the Unit Circle Come From Special Right Triangles.
2:56 Discussing How to Find Sine, Cosine, and Tangent on Unit Circle
4:43 Discussing the Symmetry on the Unit Circle
6:20 How to Use the Unit Circle with Radian Angle Measures
10:05 Example 1 Find Sin (11pi/6)
11:14 Example 2 Find Cos (5pi/4)
12:15 "All Student Take Calculus" Acronym to Help Remember the Signs Depending on the Quadrant
13:23 Example 3 Tan (2pi/3)
15:37 Example 4 Cos (5pi/3)

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Master the Unit Circle
   • Master the Unit Circle!  

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