Math Problem Statement
Use a linear approximation (or differentials) to estimate the given number. (Round your answer to four decimal places.) cos(28.5°)
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Calculus
Linear Approximation
Formulas
f(x) ≈ f(a) + f'(a)(x - a)
f(x) = cos(x)
f'(x) = -sin(x)
Theorems
Linear Approximation Theorem
Suitable Grade Level
Grades 11-12
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