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lawcos 100%

b2 + c2 − a2 2bc a2 + c2 − b2 β = arccos 2ac a2 + b2 − c2 γ = arccos 2ab α = arccos • the third side a of a triangle if one knows two sides, say, b and c, and an angle opposite one of them, say, γ:


GDMathsGuide 95%

sin, cos, tan, arcsin, arccos, and arctan.


derivate fondamentali 67%

0 sin x cos x cos x − sin x tang x 1 + tang2 x = cotang x −1 − cotang2 x = −1 sin2 x arcsin x p 1 1 − x2 p −1 1 − x2 1 1 + x2 m xn √1 xn m arccos x arctan x m m n, m ∈ N+ e m ≥ 2, x <


week4 51%

Using an argument similar to the 2 one used for Max-Cut, prove that Prob(X{i,j} = 1) = 1 − 1/πθ{i,j} , where θ{i,j} = arccos(vi ·vj ) is the angle between vectors vi and vj .


math words 50%

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10 al n r 46%

b) — интервал (открытый проме жуток) с концами a и b, a<b | x | — модуль (абсолютная величи на) числа x [x] — целая часть числа x {x} — дробная часть числа x f (x) — значение функции f в точке x D (f) — область определения функ ции f E (f) — область значений функции f sin — функция синус cos — функция косинус tg — функция тангенс ctg — функция котангенс arcsin — функция арксинус arccos — функция арккосинус arctg — функция арктангенс arcctg — функция арккотангенс a — арифметический корень из числа a 2k (a;


GP04 37%

This is correctly given by the √ principal branch of the equation φ = arccos [(ω02 − ω 2 )/ (ω02 − ω 2 )2 + ω 2 γ2 ] The amplitude of the response is ∣ A ∣≡ x0 = y0 ω02 1 [(ω02 − ω 2 )2 + ω 2 γ2 ] 2 , (11) 2 ∂∣A∣−2 1 2 which has a maximum when ∂ω = 0, i.e.