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Hyperbolic Functions
Syntax
cosh(x)
sinh(x)
tanh(x)
acosh(x)
asinh(x)
atanh(x)
Description
These functions give the obvious hyperbolic functions.
They respectively compute the hyperbolic cosine, sine, tangent,
arc-cosine, arc-sine, arc-tangent.
See Also
cos, sin, tan,
acos, asin, atan.