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Use a compass to sketch a quarter of a circle of radius 10 centimeters. Using a protractor,

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Use a compass to sketch a quarter of a circle of radius 10 centimeters. Using a protractor, construct an angle of 20° in standard position (see figure). Drop a perpendicular line from the point of intersection of the terminal side of the angle and the arc of the circle. By actual measurement, calculate the coordinates (x, y) of the point of intersection and use these measurements to approximate the six trigonometric functions of a 20° angle.
10 (1, y) 10 cm- 20° 10
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10 (1, y) 10 cm- 20° 10

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x 9397 y 3420 sin 20 o y 10 ...View the full answer


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