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secans
‖ ˈsecans Obs. Pl. seˈcantes. [L. form of next.] = secant n. The mod.L. secans in this use was introduced by Thomas Finck Geom. Rotundi, Basle 1583, pp. 73, 76.1599 E. Wright Err. Navig. D 1, The Secans of the latitude of each poynt. Ibid., The Secantes answerable to the latitudes of each point or p...
Oxford English Dictionary
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Exsecant
Exsecant
The exsecant, (Latin: secans exterior) also known as exterior, external, outward or outer secant and abbreviated as exsec or exs, is a trigonometric The Latin term secans exterior was used since at least around 1745.
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Secant
It may refer to:
a secant line, in geometry
the secant variety, in algebraic geometry
secant (trigonometry) (Latin: secans), the multiplicative inverse
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secant
secant, a. and n. (ˈsiːkənt) [a. L. secant-em, pres. pple. of secāre to cut. Cf. F. sécant adj., sécante n., Sp., Pg., It. secante.] A. adj. Geom. Of a line or surface in relation to another line or surface; Cutting, intersecting.1593 Blundevil Exerc. ii. (1597) 57 b, They call the line Secant the H...
Oxford English Dictionary
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Paspalum
Paspalum rupestre
Paspalum schesslii
Paspalum scrobiculatum – koda millet, kodo millet, kodra millet, varuka (Sanskrit), varuku (Tamil)
Paspalum secans
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Integrating secans over the imaginary axis using the residue theorem I am trying to integrate $\sec(z)$ over the whole imaginary axis using the residue theorem. i.e., I want to calculate the integral $$\int_{\Gamma}...
Use a rectangular contour with vertices $-i R$, $i R$, $-\pi + i R$, and $-\pi - i R$. The contour integral is then $$i \int_{-R}^R \frac{dy}{\cosh{y}} + \int_0^{-\pi} \frac{dx}{\cos{(x+i R)}} - i \int_R^{-R} \frac{dy}{\cosh{y}} + \int_{-\pi}^0 \frac{dx}{\cos{(x-i R)}}$$ As $R \to \infty$, the secon...
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Tetraria
LevynsTetraria pleosticha C.B.ClarkeTetraria pubescens Schönland & TurrillTetraria pygmaea LevynsTetraria robusta (Kunth) C.B.ClarkeTetraria scariosa Kük.Tetraria secans
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tangent
▪ I. tangent, a. and n. (ˈtændʒənt) [ad. L. tangens, tangent-em, pr. pple. of tang-ĕre to touch; used by Th. Fincke, 1583, as n. in sense = L. līnea tangens tangent or touching line. In F. tangent, -e adj., tangente n. (Geom.), Ger. tangente n.] A. adj. 1. a. Geom. Of a line or surface in relation t...
Oxford English Dictionary
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Kalidos
Emberton & Pearce, 2000
Kalidos rioui Fischer Blanc Salvat, 1994
Kalidos rudolfi Fischer Blanc Salvat, 1994
Kalidos rufescens (Grateloup, 1840)
Kalidos secans
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Cofunction
sinus) and cosine (Latin: cosinus, sinus complementi) are cofunctions of each other (hence the "co" in "cosine"):
The same is true of secant (Latin: secans ) and cosecant (Latin: cosecans, secans complementi) as well as of tangent (Latin: tangens) and cotangent (Latin: cotangens, tangens complementi):
These
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Trig reciprocal function nomenclature? The fact that the reciprocal of $\sin\theta$ is $\csc\theta$, and the reciprocal of $\cos\theta$ is $\sec\theta$ messed with my head for the longest time when I was taking trig. ...
Sine comes from the Latin word 'sinus', tangent from the Latin 'tangens', and secant from the Latin 'secans'.
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外正割
外正割(,拉丁文:secans exterior)是一种可以根据正割定义的三角函数,符号通常表示为或,曾经在应用在、测量学、土木工程、天文学和球面几何学等学科,可以帮助提高精度,但如今除了简化一些计算外很少使用。外正割的函数值比正割函数少1,换句话说,其与正割的关系可以用下列等式表达:
。 其拉丁语名称secans external至少可以追朔到1745年左右才开始有使用纪录。而其英语名称和其缩写缩写ex的用法:,最早可以追溯到1855 年。当时查尔斯·哈斯莱特(Charles Haslett)发表了第一个已知最早的外正割函数表。
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List of Scleria species
Scleria schenckiana
Scleria schiedeana
Scleria schimperiana
Scleria schulzii
Scleria scindens – hairy nutrush
Scleria scrobiculata
Scleria secans
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دوال مثلثية
(تسمية دالة القاطع في عصر الحضارة الإسلامية) هي عبارة عن خط مستقيم يقطع الدائرة، لذا أطلق الغربيون عليه اسم «secant»؛ استمدت هذه الكلمة من اللاتينية "secans
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List of grasses of Puerto Rico
Paspalum paniculatum
Paspalum parviflorum
Paspalum paucispicatum
Paspalum pleostachyum
Paspalum plicatulum
Paspalum pulchellum
Paspalum rupestre
Paspalum secans
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