MEL3E/4E - 1.3 Cosine Law

1.3 - Cosine Law

Now it does NOT have to be a right triangle!

Cosine Law
Lesson Handout

cosine_law.pdf

Cosine Law (& Sine Law)
Worksheet Practice

SineLaw_CosineLaw.pdf

Law of cosines: solving for a side | Trigonometry (video) | Khan AcademyLearn how to use the law of cosines to find the missing side length of a triangle when given two side lengths and the contained angle measure.

Cosine Practice Quiz

CosineLawPracticeQuiz.pdf

[ Click Here ] for CK12 (practice quiz)

Up Next - 1.4 Sine/Cosine Law Application

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