Difference between revisions of "Tanh"
From specialfunctionswiki
(→Properties) |
|||
| Line 21: | Line 21: | ||
[[Pythagorean identity for tanh and sech]]<br /> | [[Pythagorean identity for tanh and sech]]<br /> | ||
[[Period of tanh]]<br /> | [[Period of tanh]]<br /> | ||
| + | [[Tanh is odd]]<br /> | ||
=See Also= | =See Also= | ||
Revision as of 23:38, 21 October 2017
The hyperbolic tangent is defined by the formula $$\mathrm{tanh}(z)=\dfrac{\mathrm{sinh}(z)}{\mathrm{cosh}(z)},$$ where $\mathrm{sinh}$ is the hyperbolic sine and $\mathrm{cosh}$ is the hyperbolic cosine.
Plot of $\mathrm{tanh}$ on $[-5,5]$.
Domain coloring of $\tanh$.
Properties
Derivative of tanh
Antiderivative of tanh
Relationship between tanh and tan
Relationship between tan and tanh
Relationship between sine, Gudermannian, and tanh
Relationship between tanh, inverse Gudermannian, and sin
Taylor series for Gudermannian
Pythagorean identity for tanh and sech
Period of tanh
Tanh is odd
See Also
References
- 1964: Milton Abramowitz and Irene A. Stegun: Handbook of mathematical functions ... (previous) ... (next): $4.5.3$
