setting-up-the-unit-circle-part-1-and-reference-angle

In a 2 part video I introduce the basic functions of Trigonometry (Sine, Cosine, and Tangent) and explain how to develop the unit circle using 45-45-90 triangle and 30-60-90 triangles you learned in Geometry. I also define reference angles.

Setting Up the Unit Circle Part 2

https://www.youtube.com/watch?v=FaZ7frx8nd8&src_vid=j5SoWzBSUmY&feature=iv&annotation_id=annotation_344584

Check out http://www.ProfRobBob.com, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com

Tagged under: trig,trigonometry,sine,cosine,tangent,degrees,radians,degree,radian,tarrou,profrobbob,math,precalculus,trigonometric,tarrou',chalk,talk,reference angle,45 45 90,30 60 90, triangle,Unit Circle

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