I am trying to compute the sinh (x) = -3 and the cosh (x) = -3. How do you do this on a graphing (TI-84 Plus) calculator? Is it just the usual sin/cos buttons? Thanks for the help!

Hyperbolic sine and hyperbolic cosine (and hyperbolic tangent for that matter) are not the same as the standard [sin], [cos], or [tan] buttons. Rather, the TI-84 Plus has sinh(, cosh(, and tanh( commands (as well as their inverses) built-in.

To access one of these functions, it must be done through the Catalog by pressing [2nd][0]. Once the Catalog is open, press the corresponding letter to skip down (‘S’ for sinh, ‘C’ for cosh, etc). Scroll down to the one you want, let’s say sinh( and press [Enter]. Now the sinh( command is available for use just as if you would want sin(.

For your case in particular, in order to solve for x you need to use the inverse hyperbolic sine (arcsinh), which is located right below sinh( in the Catalog.

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Compute the hyperbolic sin/cos into a TI-84 Plus?

I am trying to compute the sinh (x) = -3 and the cosh (x) = -3. How do you do this on a graphing (TI-84 Plus) calculator? Is it just the usual sin/cos buttons? Thanks for the help!

Hyperbolic Sine And Cosine

Hyperbolic Tangent Graph

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