Schmall, Charles Nelson. [from old catalog] · New York, D. Van Nostrand company · leaf 54
es through the value -, y changes from 4- 00 to — 00 ; and as x passes from - to -ir,y passes from — oo through 0, A A to + 00. As in the case of the sine curve, this curve has an infinitenumber of branches. THE LOCUS OF AN EQUATION 37 Note. — The trigonometric curves may-be readily traced by using… … Fig. 47. Trace these curves: y = 6 sin X.2y = ctn X.y = ^ cos X.y = ctn X.y = sec X. EXERCISES. 9. 3 esc X.sin X + cos X.tan cc + 2 ctn x.sin y. 10. 2 cc = cos y + sin y. 16. Definitions. — The student is now prepared to give adefinition of the locus of an equation; it is the line or groupof lines…
Geometry, Analytic
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