cosh(), sinh() and tanh()

cosh(), sinh() and tanh()

cosh(<number>[, <angle type>])
sinh(<number>[, <angle type>])
tanh(<number>[, <angle type>])

These return the hyperbolic cosine, sine and tangent of <number>, read in the given angle type, or radians by default. See angles for the angle types.

These functions come from RhostMUSH.

> think cosh(0) [sinh(0)] [tanh(0)]
1 0 0
> think cosh(1)
1.5430806348152437

::: seealso

• cos()
• sin()
• tan() :::