The TANH function returns the hyperbolic tangent of the specified number.
TANH(num)
num: A number value.
Examples
=TANH(0) returns 0.
=TANH(1) returns 0.761594155955765.
=TANH(5) returns 0.999909204262595.
=TANH(10) returns 0.999999995877693.
