Let f(x) = x cos(3x). Find f' 3

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A: Given: (1) f(x) = sin x / x  at x = π/6  (2).  f(x) = ex sinx at  x= 0 (3).  f(x) =  cos x / ex   at…

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Q: Use the Fundamental Theorem of Calculus to find the derivative of h(x)= (from -4 to sin of…

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Q: Find the first and second derivatives of the function. f (x) = In(cos x)

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A: Given :y=θ(sin(ln θ))+ cos ln θ dydθ=θcos ln θθ+sin ln θ-sin  lnθ θ      =cos ln θ+sin ln θ-sin  lnθ…

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