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Precalculus with Calculus Previews, 5th Edition by Zill

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5 Triangle Trigonometry

Chapter Outline

5.1 Right Triangle Trigonometry

5.2 Applications of Right Triangles

5.3 Law of Sines

5.4 Law of Cosines

5.5 imageVectors and Dot Product

      Chapter 5 Review Exercises

5.1 Right Triangle Trigonometry

Introduction The word trigonometry (from the Greek trigonon meaning “triangle” and metria meaning “measurement”) refers to the measurement of triangles. In Section 4.2 we defined the trigonometric functions using coordinates of points on the unit circle and by using radian measure we were able to define the trigonometric ...

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