hyperbolic cosine

Summary

hyperbolic cosine is a hyperbolic function^[1]. It draws 13 Wikipedia views per month (hyperbolic_function category, ranking #3 of 6).^[2]

Key Facts

• hyperbolic cosine's image is recorded as Cosh.svg^[3].
• hyperbolic cosine's instance of is recorded as hyperbolic function^[4].
• hyperbolic cosine's instance of is recorded as even function^[5].
• hyperbolic cosine's instance of is recorded as entire function^[6].
• hyperbolic cosine's part of is recorded as hyperbolic sine and hyperbolic cosine^[7].
• hyperbolic cosine's opposite of is recorded as hyperbolic secant^[8].
• hyperbolic cosine's described by source is recorded as ISO 80000-2:2019 Quantities and units — Part 2: Mathematics^[9].
• hyperbolic cosine's defining formula is recorded as \cosh x = \frac{\mathrm{e}^x + \mathrm{e}^{-x}}{2}^[10].
• hyperbolic cosine's defining formula is recorded as \cosh^2 x = \sinh^2 x + 1^[11].
• hyperbolic cosine's Google Knowledge Graph ID is recorded as /g/121_4_lb^[12].
• hyperbolic cosine's MathWorld ID is recorded as HyperbolicCosine^[13].
• hyperbolic cosine's Quora topic ID is recorded as Hyperbolic-Cosine^[14].
• hyperbolic cosine's Elhuyar ZTH ID is recorded as 133669^[15].
• hyperbolic cosine's OpenMath ID is recorded as transc1#cosh^[16].
• hyperbolic cosine's maintained by WikiProject is recorded as WikiProject Mathematics^[17].
• hyperbolic cosine's ProofWiki ID is recorded as Definition:Hyperbolic_Cosine^[18].
• hyperbolic cosine's in defining formula is recorded as \cosh x^[19].
• hyperbolic cosine's in defining formula is recorded as \sinh x^[20].
• hyperbolic cosine's mathematical inverse is recorded as inverse hyperbolic cosine^[21].
• hyperbolic cosine's ScienceDirect topic ID is recorded as computer-science/hyperbolic-cosine^[22].
• hyperbolic cosine's power series expansion is recorded as \operatorname{cosh}(x) = \sum_{n=0}^{\infty} \frac{x^{2n}}{(2n)!} = 1 + \frac{x^2}{2!} + \frac{x^4}{4!} + \cdots^[23].
• hyperbolic cosine's Metamath statement ID is recorded as df-cosh^[24].
• hyperbolic cosine's Lexikon der Mathematik entry ID is recorded as 4288^[25].

Why It Matters

hyperbolic cosine draws 13 Wikipedia views per month (hyperbolic_function category, ranking #3 of 6).^[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.^[26] It is known by 9 alternative names across languages and contexts.^[27]