# Algebra II

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The binomial theorem: PolynomialsUnderstanding the binomial theorem: PolynomialsFactoring polynomials - Quadratic forms: PolynomialsFactoring polynomials - Special product forms: PolynomialsAdvanced polynomial factorization methods: PolynomialsProving polynomial identities: PolynomialsPolynomial identities with complex numbers: Polynomials

Quadratic equations with complex numbers: PolynomialsThe Fundamental Theorem of Algebra: PolynomialsFinding zeros of polynomials: PolynomialsZeros of polynomials and their graphs: PolynomialsEnd behavior of polynomial functions: PolynomialsGraphs of polynomials: PolynomialsIntroduction to symmetry of functions: PolynomialsSymmetry of polynomial functions: Polynomials

Introduction to radians: TrigonometryThe unit circle definition of sine, cosine, and tangent: TrigonometryThe graphs of sine, cosine, and tangent: TrigonometryBasic trigonometric identities: TrigonometryTrigonometric values of special angles: Trigonometry

The Pythagorean identity: TrigonometryIntroduction to amplitude, midline, and extrema of sinusoidal functions: TrigonometryFinding amplitude and midline of sinusoidal functions from their formulas: TrigonometryPeriod of sinusoidal functions: TrigonometryGraphing sinusoidal functions: TrigonometryConstructing sinusoidal functions: Trigonometry

## Review articles

## Get StartedCombining functions

Learn how to take two basic functions and combine them into a new function which is their sum, difference, product, or quotient.

Start learning: Combining functions