Math Problem Statement
اثبات کن integral sech x dx = arcsin ( tanh x )+c
Solution
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Math Problem Analysis
Mathematical Concepts
Integral Calculus
Hyperbolic Functions
Inverse Trigonometric Functions
Formulas
\int \text{sech}(x) \, dx = \arcsin(\tanh(x)) + C
Derivative of \arcsin(u): \frac{d}{dx} \arcsin(u) = \frac{1}{\sqrt{1 - u^2}} \cdot \frac{du}{dx}
Derivative of \tanh(x): \frac{d}{dx} \tanh(x) = \text{sech}^2(x)
Identity: 1 - \tanh^2(x) = \text{sech}^2(x)
Theorems
Fundamental Theorem of Calculus
Hyperbolic Identities
Suitable Grade Level
Undergraduate Level (Calculus II or III)