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@@ -3,10 +3,9 @@ sibling::[[démonstration expression de l'arg cosinus hyperbolique]]
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description::""
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#maths/trigonométrie #démonstration
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---
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$$\begin{align*}
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\sh(x) = y &\iff \frac{e^{x}-e^{-x}}{2} = y\\
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\mathrm{sh}(x) = y &\iff \frac{e^{x}-e^{-x}}{2} = y\\
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&\iff e^{x}-e^{-x} = 2y\\
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&\iff e^{x} - \frac{1}{e^{x}} = 2y\\
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&\iff (e^{x})^{2} - 1 = 2y(e^{x})\\
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@@ -17,6 +16,6 @@ $$\begin{align*}
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&\iff
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\end{align*}$$
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- [x] #task recopier la démonstration de l'expression de $\arg\sh$ ✅ 2022-09-05
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- [x] recopier la démonstration de l'expression de $\arg \mathrm{sh}$ #task ✅ 2024-05-28T10:45
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