## Opening Problems for Trigonometry.pdf - Section 1: Warming Up

Opening Problems for Trigonometry.pdf

# What do Triangles have to do with Circles?

Unit 9: Trigonometric Functions
Lesson 1 of 8

## Big Idea: How is the unit circle related to "triangle measurement"? A story of two equivalent definitions.

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9 teachers like this lesson
Standards:
Subject(s):
Math, Trigonometric functions, Trigonometry, unit circle, Algebra, master teacher project, sine, cosine
45 minutes

### Jacob Nazeck

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