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double-angle formula

См. также в других словарях:

  • Angle — This article is about angles in geometry. For other uses, see Angle (disambiguation). Oblique angle redirects here. For the cinematographic technique, see Dutch angle. ∠, the angle symbol In geometry, an angle is the figure formed by two rays… …   Wikipedia

  • Viète's formula — This article is not about Viète s formulas for symmetric polynomials. In mathematics, the Viète formula, named after François Viète, is the following infinite product type representation of the mathematical constant… …   Wikipedia

  • Double (Zhao Wei album) — Double 双 Studio album by …   Wikipedia

  • Double-slit experiment — Slit experiment redirects here. For other uses, see Diffraction. Quantum mechanics …   Wikipedia

  • Machin-like formula — In mathematics, Machin like formulas are a class of identities involving pi; = 3.14159... that generalize John Machin s formula from 1706::frac{pi}{4} = 4 arctanfrac{1}{5} arctanfrac{1}{239},which he used along with the Taylor series expansion of …   Wikipedia

  • Solid angle — The solid angle, Ω , is the angle in three dimensional space that an object subtends at a point. It is a measure of how big that object appears to an observer looking from that point. For instance, a small object nearby could subtend the same… …   Wikipedia

  • List of trigonometric identities — Cosines and sines around the unit circle …   Wikipedia

  • Rifleman's rule — is a rule of thumb that allows a rifleman to accurately fire a rifle that has been calibrated for horizontal targets at uphill or downhill targets. The rule provides an equivalent horizontal range setting for engaging a target at a known uphill… …   Wikipedia

  • Integration by substitution — Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus  Derivative Change of variables Implicit differentiation Taylor s theorem Related rates …   Wikipedia

  • Morrie's law — is a name that occasionally is used for the trigonometric identity It is a special case of the more general identity with n = 3 and α = 20°. The name is due to the physicist Richard Feynman, who used to refer to the identity under that name.… …   Wikipedia

  • Trigonometric functions — Cosine redirects here. For the similarity measure, see Cosine similarity. Trigonometry History Usage Functions Generalized Inverse functions …   Wikipedia

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