字母代码α\alphaα\alphaβ\betaβ\betaγ\gammaγ\gammaΓ\GammaΓ\Gammaδ\deltaδ\deltaΔ\DeltaΔ\Deltaϵ\epsilonϵ\epsilonε\varepsilonε\varepsilonζ\zetaζ\zetaη\etaη\etaθ\thetaθ\thetaΘ\ThetaΘ\Thetaϑ\varthetaϑ\varthet...

双曲弦函数shx=ex−e−x2sh x = \frac {e^x-e^{-x}}{2}shx=2ex−e−x​双曲余弦函数chx=ex+e−x2ch x= \frac{e^x+e^{-x}}{2}chx=2ex+e−x​双曲正切函数thx=shxchxth x= \frac{sh x}{ch x}thx=chxshx​双曲余切函数coth⁡x=chxshx\coth x= \frac{ch x}