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# Applications of Right Triangle Trig

Lesson 8 of 17

## Objective: SWBAT use trigonometric ratios to solve real-world problems.

*50 minutes*

As a warm-up to today’s lesson, I will ask my students to complete the clicker questions located on pages 2-5 of today’s Flipchart_ Application of Right Triangle Trig (p. 1-5). These are very basic multiple choice questions that assess if students can solve right triangle trig problems out of context before we move into problems with context.

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#### Word Problems Galore

*45 min*

I present my plan for implementing this section of the lesson in the following video:

Applications of Right Triangle Trig, Word Problems, Plan for Implementation

We will be using the problems in this resource as we work:

Flipchart_ Application of Right Triangle Trig (p. 6-16)

You might want to review the video reflection Right Triangle Trigonometry in a Pre-Calculus class if you have questions about how today's lesson fits into the curriculum at my school.

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Assign Homework 5 - Fundamentals of Trigonometry from this unit. This assignment continues the work from class today by having students complete right triangle trigonometry problems in context.

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- UNIT 1: Basic Functions and Equations
- UNIT 2: Polynomial Functions and Equations
- UNIT 3: Rational Functions and Equations
- UNIT 4: Exponential Functions and Equations
- UNIT 5: Logarithmic Functions and Equations
- UNIT 6: Conic Sections
- UNIT 7: Rotations and Cyclical Functions
- UNIT 8: Cyclical Patterns and Periodic Functions
- UNIT 9: Trigonometric Equations
- UNIT 10: Matrices
- UNIT 11: Review
- UNIT 12: Fundamentals of Trigonometry

- LESSON 1: What's so special about similar right triangles?
- LESSON 2: Calculator Investigation: Special Right Triangles (Day 1 of 2)
- LESSON 3: Calculator Investigation: Special Right Triangles (Day 2 of 2)
- LESSON 4: Using Trigonometric Ratios (Day 1 of 2)
- LESSON 5: Using Trigonometric Ratios (Day 2 of 2)
- LESSON 6: Clinometer Project (Day 1 of 2)
- LESSON 7: Clinometer Project (Day 2 of 2)
- LESSON 8: Applications of Right Triangle Trig
- LESSON 9: Law of Sines Basics
- LESSON 10: Ambigouous Cases of the Law of Sines
- LESSON 11: Law of Cosines
- LESSON 12: Short Lesson: Quick Clicker Quizzes
- LESSON 13: More on the Laws: Real World Application
- LESSON 14: Trig Jeopardy
- LESSON 15: Fundamentals of Trig Review - Day 1 of 2
- LESSON 16: Fundamentals of Trig Review - Day 2 of 2
- LESSON 17: Fundamentals of Trigonometry Unit Assessment