cosh( z )
The hyperbolic cosine of z in SageMath. Defined by
Plot on the real axis:
show( plot( cosh(x), x, -5, 5, figsize=[4.5,2], color=(0,.5,1) ) )
Series expansion about the origin:
show( maxima( cosh(z) ).taylor(z,0,7) )
Special values:
show( cosh(-oo,hold=True), '=', cosh(-oo) )
Related functions: sinh sech arccosh acosh
Function category: hyperbolic functions sagemath-docs
