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Here are some videos on frequently asked topics in Trigonometry. Closed Captioning is available.
Angles in Standard Position
Degrees, Minutes, and Seconds
Definitions of Trig Ratios
Trig Ratios and Right Triangles
Special Right Triangles
Finding Trig Values on a Calculator
Values on the Unit Circle
Graphing Sine and Cosine
Graphing Sine and Cosine w/ Transformations
Graphing Cosecant and Secant
Amplitude and Period of Sine & Cosine