Unit Plan

The Math Page: Trigonometry: The Law of Cosines

Curated by ACT

Here is a site that clearly and thoroughly explains the law of cosines and how to use it. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have been absent or who need additional instruction on this or many other topics.

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CCSS: Adaptable
Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)