在数学中，双曲函数是一类与常见的三角函数（也叫圆函数）相类似的函数。最基本的双曲函数是双曲正弦函数 sinh 和双曲余弦函数 cosh ，从它们可以导出双曲正切函数 tanh 等，其推导也类似于三角函数的推导。双曲函数的反函数称为反双曲函数。 双曲函数的 ...

While I don't plan on spending the next four years writing about Trump, Trump, Trump, for the moment, it does seem culturally relevant, to say the least. And these first weeks have not ...

Our data show that independent of risk, participants are less eager to forego money and exhibit more selfishness toward a specific person when the social distance increases; these findings are ...

The 2024-25 Premier League table promises to be tight from top to bottom as some almighty scraps will take place over the next nine months. [ MORE: Premier League 2024-25 schedule, how to watch live] ...

Results: DID scores were correlated with age according to a hyperbolic function (f = 85.3×age/(10.05+age), R = 0.62 ... The course of weight, height and BMI is shown for selected ages in table 1.

THESE two volumes of newly compiled tables of physical and chemical constants cover very much the same ground, though differing greatly in many respects. The larger volume of 318 pages is a ...

Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re ...

Six years have elapsed since the publication of the fourth edition of these invaluable tables, and it is significant of the change in scientific outlook that the first page of the book is now ...

If you get into working on bigger puzzles, they can eat up your dining room table, coffee table or desk ... Because it stores flat, it also functions as a puzzle protector, allowing you to fold ...

An illustration of a magnifying glass. An illustration of a magnifying glass.