Clipart images of angles that are often used in trigonometry. Images include angles in all four quadrants, positive and negative angles, reference angles, and angles of depression and elevation.
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Angle and Quadrants, Trigonometric
Axes showing trigonometric angles, and quadrants.... |
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Angle, -229 degrees
Trigonometric angle -229 degrees.... |
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Angle, 467 degrees
Trigonometric angle 467 degrees.... |
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Angle, Acute theta
Illustration of acute angle theta as part of a right triangle.... |
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Angle, Negative Measure
Negative trigonometric angle with initial and terminal sides labeled.... |
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Angle, Positive Measure
Positive trigonometric angle with initial and terminal sides labeled.... |
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Angles, showing sum and difference of angles
Angles used to illustrate the sum and difference of two angles and trig identities.... |
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Angles, Sum of 2 Acute
Illustration of two triangles, showing the sine of the sum of two acute angles expressed in terms of the sines and cosines of the angles.... |
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Angles, trigonometric reference angles
Lines drawn to horizontal to form triangle ratios (reference triangles, angles).... |
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Angles, trigonometric reference angles with distance, abscissa, and ordinate
Lines drawn to horizontal to form triangle ratios (reference triangles, angles). Axes, quadrants, abscissa, ordinate, and distance labeled.... |
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Coordinate Axis, angles and lines
Coordinate axis with angle XOP equal to theta, Ǝ, and angle XOQ=180 - Ǝ. From any point in the terminal side of XOP, as B, a perpendicular can be drawn, AB, to the x-axis; and from D, any p... |
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Cotangent Angles, Negative
Illustration that can be used to show that if the cotangent of an angle is negative the angle must terminate in either the second or fourth quadrant.... |
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Depression, Angle of
Illustration showing an angle of depression from a horizontal line to a line of sight.... |
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Elevation, Angle of
Illustration showing an angle of elevation from a horizontal line to a line of sight.... |