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Parabolas - Vertex, Focus, Directrix
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Classroom Contents
Precalculus
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- 1 Functions
- 2 Increasing and Decreasing Functions
- 3 Maximums and minimums on graphs
- 4 Even and Odd Functions
- 5 Toolkit Functions
- 6 Transformations of Functions
- 7 Piecewise Functions
- 8 Inverse Functions
- 9 Angles and Their Measures
- 10 Arclength and Areas of Sectors OLD VERSION
- 11 Linear and Radial Speed
- 12 Right Angle Trigonometry
- 13 Sine and Cosine of Special Angles
- 14 Unit Circle Definition of Sine and Cosine
- 15 Properties of Trig Functions
- 16 Graphs of Sine and Cosine
- 17 Graphs of Sinusoidal Functions
- 18 Graphs of Tan, Sec, Cot, Csc
- 19 Graphs of Transformations of Tan, Sec, Cot, Csc
- 20 Inverse Trig Functions
- 21 Solving Basic Trig Equations
- 22 Solving Trig Equations that Require a Calculator
- 23 Trig Identities
- 24 Pythagorean Identities
- 25 Angle Sum and Difference Formulas
- 26 Proof of the Angle Sum Formulas
- 27 Double Angle Formulas
- 28 Half Angle Formulas
- 29 Solving Right Triangles
- 30 Law of Cosines
- 31 Law of Cosines - old version
- 32 Law of Sines
- 33 Parabolas - Vertex, Focus, Directrix
- 34 Ellipses
- 35 Hyperbolas
- 36 Polar Coordinates
- 37 Parametric Equations
- 38 Difference Quotient
