sine
正弦,正弦波,正弦曲线,正弦坐标
Definitions
- 1
- : Trigonometry. the ratio of the side opposite a given acute angle to the hypotenuse. a trigonometric function equal to the ratio of the ordinate of the end point of the arc to the radius vector of this end point, the origin being at the center of the circle on which the arc lies and the initial point of the arc being on the x-axis. Abbreviation: sin
- : Geometry. a perpendicular line drawn from one extremity of an arc of a circle to the diameter that passes through its other extremity.
- : Mathematics. the function sin x defined by the infinite series x − + − + …, where ! denotes factorial.Compare cosine, factorial.
Examples
In contrast, some inexpensive models output a simulated sine wave form, which can be problematic for some higher-end gaming laptops and audio gear.
That accumulation of identities is already a sine qua non when speaking of Hispanics, like Zimmerman.
In the land of the industrial revolution, foreign ownership and management is the sine qua non of industrial success.
This unsmoked, wet-cured ham is the sine qua non of Parisian butcher shops: a light, ephemeral meat, sweet but umami.
It teaches you to take your time, or as the Germans call it, it gives you "Ruhe (repose)," the grand sine qua non!
Vnica hc adest D. Potrincurtij familia, sine feminis capita sumus viginti.
Multa erat in Nov Franci messis, ubi incol pene belluarum more sine Numinis cognitione vivebant.
Habemus hic Petronium integrum, quem vidi meis oculis non sine admiratione.
O pulerae sine luxes aedes, vitaeque decore Splendida paupertas ingenuusque pudor!