Derivative of Inverse Hyperbolic Cosecant Function
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Theorem
Let $u$ be a differentiable real function of $x$ such that $u \ne 0$.
Then:
- $\map {\dfrac \d {\d x} } {\arcsch u} = \dfrac {-1} {\size u \sqrt {1 + u^2} } \dfrac {\d u} {\d x}$
where $\arcsch$ is the real inverse hyperbolic cosecant.
Proof
\(\ds \map {\frac \d {\d x} } {\arcsch u}\) | \(=\) | \(\ds \map {\frac \d {\d u} } {\arcsch u} \frac {\d u} {\d x}\) | Chain Rule for Derivatives | |||||||||||
\(\ds \) | \(=\) | \(\ds \dfrac {-1} {\size u \sqrt {1 + u^2} } \frac {\d u} {\d x}\) | Derivative of Inverse Hyperbolic Cosecant |
$\blacksquare$
Also see
- Derivative of Inverse Hyperbolic Sine Function
- Derivative of Real Area Hyperbolic Cosine of Function
- Derivative of Inverse Hyperbolic Tangent Function
- Derivative of Inverse Hyperbolic Cotangent Function
Sources
- 1968: Murray R. Spiegel: Mathematical Handbook of Formulas and Tables ... (previous) ... (next): $\S 13$: Derivatives of Hyperbolic and Inverse Hyperbolic Functions: $13.42$
- 1972: Frank Ayres, Jr. and J.C. Ault: Theory and Problems of Differential and Integral Calculus (SI ed.) ... (previous) ... (next): Chapter $15$: Differentiation of Hyperbolic Functions: Definitions of Inverse Hyperbolic Functions: $42$
- 1974: Murray R. Spiegel: Theory and Problems of Advanced Calculus (SI ed.) ... (previous) ... (next): Chapter $4$. Derivatives: Derivatives of Special Functions: $30$