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Published byMartha Rich Modified over 9 years ago
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Copyright © 2011 Pearson Education, Inc. Radian Measure, Arc Length, and Area Section 1.2 Angles and the Trigonometric Functions
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1.2 Copyright © 2011 Pearson Education, Inc. Slide 1-3 Figure 1.9 Radian Measure of Angles
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1.2 Copyright © 2011 Pearson Education, Inc. Slide 1-4 The radian measure of the angle in standard position is the directed length of the intercepted arc on the unit circle. Radian Measure of Angles
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1.2 Copyright © 2011 Pearson Education, Inc. Slide 1-5 Conversion from degrees to radians or radians to degrees is based on 180 degrees = π radians. Degree-Radian Conversion
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1.2 Copyright © 2011 Pearson Education, Inc. Slide 1-6 Figure 1.12 Radian Measure of Angles
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1.2 Copyright © 2011 Pearson Education, Inc. Slide 1-7 Figure 1.15 Radian Measure of Angles
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1.2 Copyright © 2011 Pearson Education, Inc. Slide 1-8 Figure 1.17 The length s of an arc intercepted by a central angle of radians on a circle of radius r is given by s = r. Arc Length of a Circle
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1.2 Copyright © 2011 Pearson Education, Inc. Slide 1-9 Figure 1.21 The area A of a sector with central angle (in radians) in a circle of radius r is given by Area of a Sector of a Circle
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