Prove that

* Proof. * We use the definition of the hyperbolic sine in terms of the exponential,

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Stumbling Robot

A Fraction of a Dot
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Prove a formula for *sinh(x+y)*

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Prove that

* Proof. * We use the definition of the hyperbolic sine in terms of the exponential,

why we put -y instead of y at this -e^-x-y