Trigonometric Functions and Periodic Motion · Geometry & Measurement

The Unit Circle and Radian Measure

Defining trigonometric ratios for all angles and transitioning from degrees to radians.

Key Questions

  1. 1Why is radian measure preferred over degree measure in advanced mathematics?
  2. 2How does the unit circle allow us to define trigonometry for angles greater than 90 degrees?
  3. 3What is the connection between arc length and the definition of a radian?

Common Core State Standards

CCSS.Math.Content.HSF.TF.A.1CCSS.Math.Content.HSF.TF.A.2
Grade: 11th Grade
Subject: Mathematics
Unit: Trigonometric Functions and Periodic Motion
Period: Geometry & Measurement

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