F20 - 5.5 - Finding Lengths Using the Cosine Law

F20 - 5.5 - Finding Lengths Using the Cosine Law



FM20.5 Demonstrate understanding of the cosine law and sine law (including the ambiguous case).

b. Develop, generalize, explain, and apply strategies for determining angles or side lengths of triangles without a right angle.

*2010 Saskatchewan Curriculum

SWBAT - Solve for lengths using the Cosine Law

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Homework – Page 136 #1, 2, 4, 6ab, 7ab