You discussed this lesson today in pairs while Mr. Gordon circulated to answer questions:

Developing the Cosine Law

If you were absent, you can review this version that has the examples from the lesson filled in:

Developing the Cosine Law - PARTIALLY FILLED IN

Opportunity to Learn

Complete the opportunity to learn that begins on page 5 of today’s lesson.

NOTE

Given that we have a quiz on Monday, full solutions are being provided for our lesson from Thursday – beginning on page 5:

Developing the Cosine Law - FILLED IN

Use these solutions wisely – don’t peek before you’ve tried more than a little to solve each question!