Finding function values - PowerPoint PPT Presentation

Chapter 2

Chapter 2. Acute Angles and Right Triangles. 2.1. Trigonometric Functions of Acute Angles. Right-triangle Based Definitions of Trigonometric Functions. For any acute angle A in standard position. 48. C. A. 20. 52. B. Example: Finding Trig Functions of Acute Angles.

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2.4 Relations and Functions

2.4 Relations and Functions. Defn: A relation is any correspondence between two sets of data. A relation may be represented by a mapping or chart, a list of ordered pairs, a table, a graph, or an equation. Set X. Set Y. 867-5309 555-1212 729-0000 555-5411. Grandma Boss Jenny

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3.1 Reference Angle

3.1 Reference Angle. A reference angle for an angle  is the positive acute angle made by the terminal side of angle  and the x -axis. a) 218  Positive acute angle made by the terminal side of the angle and the x -axis is 218  180 = 38. 1387

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