Module 7

Module 7: Trigonometry

 

Lesson 1 Summary

 

In the introduction to this lesson, you were asked to think about the mathematics behind hockey-stick design.

 

 

Did you know the Mi’kmaq of Nova Scotia played a game on ice with a wooden puck in the 1700s? The Mi’kmaq played an important role in the evolution of the modern game of hockey. Mi’kmaq carvers were the first to make what is now known as a hockey stick.

 

In this lesson, you explored these questions:

• What is the tangent ratio?

• How is the tangent ratio used to find unknown sides and angles in right triangles?

Check your level of understanding of the materials covered in this lesson by completing “Lesson 1 Traffic Lights.” If you select an amber or red traffic light in the multimedia piece, you will receive information about additional work you can complete to improve your understanding of the topics. Complete the suggested work before you proceed to the Lesson 1 Assignment. If you experience difficulty, contact your teacher before starting the Lesson 1 Assignment.

 

To answer these questions, you explored the definition of the tangent as the ratio of the side opposite to the side adjacent for a given acute angle in a right triangle. You used this ratio to find missing sides and missing angles.

 

Assignment

 

Retrieve the Lesson 1 Assignment Booklet you saved in your course folder at the start of this lesson. Complete the Assignment.

 

Resave your Assignment Booklet in your course folder and submit a copy to your teacher for assessment.

Mathematics 10-3 Learn EveryWare © 2010 Alberta Education