To rotate a set of points (x 1 , y 1 ), (x 2 , y 2
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To rotate a set of points (x1, y1), (x2, y2), (x3, y3), . . . counterclockwise about the origin by angle θ, we multiply
If a photo on a computer screen has corners at (4, 2), (−4, 2), (−4,−2), and (4,−2), find the coordinates of the corners after the photo has been rotated counterclockwise about the origin by 30°.
Transcribed Image Text:
cos0 -sin sin 0 cos X1 X2 X3 уi Уг Уз
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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