symmetric about the x axis   3 videos

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  Intercepts and Asymptotes of Tangent Functions

  Trigonometry Trigonometric Functions

  How to find the x-intercepts and vertical asymptotes of the graph of y = tan(q).

  sine cosine tangent zeros x intercepts vertical asymptotes
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  Calculating Coordinates in the Unit Circle

  Trigonometry Pythagorean Theorem

  How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on the unit circle.

  graphing a rational expression 1/x asymptotes
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  More Transformations of Sine and Cosine

  Trigonometry Trigonometric Functions

  How the value of h affects the shape of the graph y = A sin(B(x-h)).

  transformations sine period amplitude phase shift horizontal shift