Zhèngxián 更多...在直角三角形中,角度的正弦为: 相对侧的长度除以斜边的长度。 缩写是sin sinθ=相反/斜率Well Done!Another sin θ = © 2016 MathsIsFun.com v0.89版权所有 © 2017 MathsIsFun.comEnglish :: 关于 :: 联系 :: 隐私
sine θ = opposite / hypotenuse cosine θ = adjacent / hypotenuse tangent θ = opposite / adjacent. trigonometric function n. A function of an angle expressed as the ratio of two of the sides of a right triangle that contains that angle; the sine, cosine, tangent, cotangent, secant, or ...
sine sin θ = a/c (sīn) n.Abbr.sin 1.The ordinate of the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of lengthxand measured counterclockwise from the point (1, 0) ifxis positive or clockwise ifxis negative. ...
The meaning of SIN is an offense against religious or moral law. How to use sin in a sentence. More on the Meaning of Sin Synonym Discussion of Sin.
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the 22nd letter of the Hebrew alphabet. the consonant sound represented by this letter. sin 3 abbreviation for Trigonometry. sine ( def 1b ). sīn 4 [ seen ] Phonetic (Standard)IPA noun the 12th letter of the Arabic alphabet. Sin
First recorded in1350–1400;Middle English, fromMiddle French,fromLatinsitus“position, arrangement, site” (presumably originally, “leaving, setting down”), equivalent tosi-,variant stem ofsinere“to leave, allow to be” +-tussuffix of verbal action ...
numerical apertureAn expression designating the light-gathering power of microscope objectives. It is equal to the product of the index of refractionnof the object space and the sine of the angleusubtended by a radius of the entrance pupil at the axial point on the object, i.e.nsinu. ...
Sine, one of the six trigonometric functions, which, in a right triangle ABC, for an angle A, issin A = length of side opposite angle A length of hypotenuse .(The other five trigonometric functions are cosine [cos], tangent [tan], secant [sec], cosecant
sine (sīn) n.Abbr.sin 1.The ordinate of the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of lengthxand measured counterclockwise from the point (1, 0) ifxis positive or clockwise ifxis negative. ...