Woods, Frederick S. (Frederick Shenstone), 1864-, Bailey, Frederick H. (Frederick Harold), 1865- · Boston, New York [etc.] Ginn and Company · leaf 141
hich the radius of the fixed circleequals that of the rolling circle. Theproof of this is left to the student. 65. Relation between rectangularand polar coordinates. Let the pole0 and the initial line OM of a sys-tem of polar coordinates be at thesame time the origin and the axisof re of a system… … cos 0 sin 6 (1) Whence follows, on the one handx = r cos 0,y — r sin 6 ;and, on the other hand, r=Vx2+y2, si?i/} —
Geometry, Analytic · Calculus
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