Math Problem Statement
Is this an even or odd function
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Function Symmetry
Even and Odd Functions
Formulas
Even function: f(-x) = f(x)
Odd function: f(-x) = -f(x)
Theorems
Cosine is an even function (cos(-x) = cos(x))
Suitable Grade Level
Grades 10-12
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