Math Problem Statement
cos(x)^(1/x)
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Exponents
Differentiation
Logarithmic Differentiation
Formulas
y = cos(x)^(1/x)
ln(y) = (1/x) * ln(cos(x))
dy/dx = cos(x)^(1/x) * (-1/x^2 * ln(cos(x)) - sin(x)/(x * cos(x)))
Theorems
Product Rule
Chain Rule
Suitable Grade Level
College-Level Calculus