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单词 curve of sines
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curve of sines
curve of sines n. Geometry (now rare) a curve whose ordinates are the sines of their corresponding abscissae; the graph of the function sin x; a sinusoid.
ΚΠ
1821 J. Leslie Geom. Anal. iii. xii. 406 Perpendiculars, erected equal to the corresponding sines, will exhibit a line called the Curve of Sines.
1900 Amer. Jrnl. Psychol. 12 135 I would not call a Gothic arch circular though it be composed of arcs of circles; nor would I call the curve of cosines the curve of sines, though it be merely the same curve in a different phase.
1950 Math. Gaz. 34 261 Some better-known curves, notably the curve of sines and the logarithmic curve, will provide examples even more instructive than the ‘Folium’.
extracted from curveadj.n.
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