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hyperbolic functions sinh x, cosh x ,tanh x , coth x, cosech x, sech x
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hyperbolic functions
sinh x, cosh x ,tanh x , coth x, cosech x, sech x
 
The hyperbolic functions sinh x, cosh x ,tanh x , coth x, cosech x, sech x are
all expressed in terms of  e^x and e^(-x)
for eg. [ (e^x)  + (e^(-x))] / 2  is called cosh x
while [ (e^x) - (e^(-x))] / 2  is called sinh x

The ratio of sinh x / cosh x is called tanh x and so on
The relationship / identities of various hyperbolic functions, the inverse hyperbolic functions
 and the expression for sinh 2x, cosh 2x are given here.

hyperbolic function
hyperbolic function
hyperbolic function
hyperbolic function

hyperbolic function
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trigonometric identity and ratio of  certain standard angles

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