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Unit 14: Trigonometric functions

About this unit

This topic covers:

  • Unit circle definition of trig functions
  • Trig identities
  • Graphs of sinusoidal & trigonometric functions
  • Inverse trig functions & solving trig equations
  • Modeling with trig functions
  • Parametric functions

Introduction to radians

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Practice

The unit circle definition of sine, cosine, & tangent

Learn

The graphs of sine, cosine, & tangent

Learn

Basic trigonometric identities

Learn

Trigonometric values of special angles

Learn

Practice

Pythagorean identity

Learn

Practice

Introduction to amplitude, midline, & extrema of sinusoidal functions

Learn

Practice

Finding amplitude & midline of sinusoidal functions from their formulas

Learn

Practice

Period of sinusoidal functions

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Practice

Graphing sinusoidal functions

Learn

Practice

Constructing sinusoidal functions

Learn

Practice

The inverse trigonometric functions

Learn

Practice

Solving basic sinusoidal equations

Learn

Practice

Solving advanced sinusoidal equations

Learn

  • No videos or articles available in this lesson

Practice

Solving sinusoidal models

Learn

Practice

Introduction to the trigonometric angle addition identities

Learn

Practice

Using trigonometric identities to solve problems

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Practice

Parametric equations

Learn

Unit test

Test your understanding of Trigonometric functions with these NaN questions.