TANH returns a hyperbolic tangent of a numerical expression
TANH(NumExp)
Arguments
EXP(x)-EXP(-x))/(EXP(x)+EXP(-x))
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An example knowledgebase of this function can be downloaded here.
Description
The example knowledge base contains all goniometric functions.
Wikipedia: [Hyperbolic function] | [ Trigonometric function]
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