Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Calculus
Derivatives
Trigonometric Functions
Formulas
Derivative of y = cos(x) is dy/dx = -sin(x)
Point-slope form of a line: y - y1 = m(x - x1)
Theorems
Derivative rules for trigonometric functions
Slope of tangent line theorem
Suitable Grade Level
Grades 11-12
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