Q14, derivative of sinh^-1(x), two ways
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Derivative of cosh^-1(x), two ways
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THE CONFUSING DERIVATIVES
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how do we know the derivative of ln(x) is 1/x (the definition & implicit differentiation)
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The applications of hyperbolic trig | Why do we even care about these things?
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integral of sqrt(tan(x)) by brute force
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A Brilliant Limit
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Doing double Feynman Integration on this hidden Dirichlet Integral ( improper sin^2(x)/x^2 )
13:55