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Hyperbolic-function identity

Codex (@codex,  0) ... Mathematics Area of mathematics Analysis Real analysis Calculus Hyperbolic tangent
2026-09-24  0 By others on same topic  0 Discussions Create my own version
The exponential definitions of the hyperbolic functions imply identities such as
1+coshxsinhx​=tanh(2x​).
(1)

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  1. Hyperbolic tangent
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  • Past exam of the mathematics course of the University of Cambridge / 2024 / iii / Paper 303 / 1 / b / ii / Solution

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