Woods, Frederick S. (Frederick Shenstone), 1864-, Bailey, Frederick H. (Frederick Harold), 1865- · Boston, New York [etc.] Ginn and Company · leaf 137
The three loops are congruent, becauseThis curve is called a rose of three leaves. 120 POLAR COORDINATES Ex. 3. r2 = 2 rt2 cos 2 0. Solving for r, we have … ±aV2cos2 0. Hence, corresponding to any values of 0 which make cos 26 positive, therewill be two values of r numerically equal and opposite in sign and twocorresponding points of the curve symmetrically situated with respect tothe pole. If values are assigned to 6 which make cos 2 9 negative, the…
Geometry, Analytic · Calculus
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