Math Problem Statement
Lim x mendekati 0 cos 4x-1 per x-tanx
Solution
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Math Problem Analysis
Mathematical Concepts
Limits
L'Hôpital's Rule
Taylor Series Expansion
Formulas
L'Hôpital's Rule: \(\lim_{x \to c} \frac{f(x)}{g(x)} = \lim_{x \to c} \frac{f'(x)}{g'(x)}\) for indeterminate forms
Taylor expansion for cos(x): \(\cos(x) \approx 1 - \frac{x^2}{2}\)
Taylor expansion for tan(x): \(\tan(x) \approx x + \frac{x^3}{3}\)
Theorems
L'Hôpital's Rule
Taylor Series Expansion
Suitable Grade Level
Undergraduate Calculus