Acute Triangle Trigonometry

Geometry General Outcome	Develop spatial sense.
Specific Outcomes	3.  Solve problems that involve the cosine law and the sine law, excluding the ambiguous case.

                                                                                                                                                       

Lesson 1: Laws of Sine

Absolute Value Workbook:

Trigonometry: Lesson 1 and 2 -- Pages 151 - 166

Lesson Links:

Relationship of sides to interior angles in a triangle

Illuminations: Laws of Sine

Sine and Cosine Graphs and Law of Sines using Spaghetti -- Lesson Plans by Michael D. Sturdivant Mathematics InstructornArkansas School for Math & Science

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Lesson 2: Proofing Law of Sine

Absolute Value Workbook:

Trigonometry: Lesson  2 -- Pages 159 - 166

Lesson Links:

Deriving the Law of Sines from the Area Formula of a Triangle

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Lesson 3:  Laws of Cosine

Absolute Value Workbook:

Trigonometry: Lesson 3 -- Pages 167 - 174

Lesson Links:

Illuminations: Laws of Cosine

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Lesson 4: Problem Solving

Absolute Value Workbook:

Trigonometry: Lesson 5 -- Pages 181 - 190

 

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