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Arithmetic
Negative terms.
Long division.
Sequences
Recursive definitions.
Linear equations and systems
Not-obvious coefficients.
Geometry
3-4-5 special triangle.
Quadratics
Imaginary radical.
Simplifying an imaginary radical.
Squaring a binomial.
Polynomials
Factor from Positive Zero widget.
Factor from Negative Zero widget.
Factor from Complex Zero widget.
Factor from Irrational Zero widget.
Polynomial division.
Transformations of Functions
Vertical translations.
Horizontal translations.
Vertical dilations (with reflection).
Horizontal dilations.
Horizontal dilations (with reflection).
Logs & Exponentials
Log to Exponential.
Trigonometry
Unit circle.
The unit circle & the sine graph.
The unit circle & the cosine graph.
Sine squared convention.
