Resource Page: Acute Triangle Trigonometry

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

Video Links:


                                                                                                                                                       

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

Video Links:


                                                                                                                                                       

Lesson 3:  Laws of Cosine

Absolute Value Workbook:

Trigonometry: Lesson 3 -- Pages 167 - 174


Lesson Links:

Illuminations: Laws of Cosine

Video Links:


                                                                                                                                                       

Lesson 4: Problem Solving

Absolute Value Workbook:

Trigonometry: Lesson 5 -- Pages 181 - 190

 

Lesson Links:

Video Links:


Last modified: Monday, 19 May 2014, 9:35 PM