Math Problem Statement

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Solution

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Math Problem Analysis

Mathematical Concepts

Periodic Functions
Trigonometry
Absolute Values
Least Common Multiple (LCM)

Formulas

Period of sin(kt) is 2π/k
Period of cos(kt) is 2π/k
LCM of periods for sum of periodic functions

Theorems

The period of the sum of periodic functions is the least common multiple (LCM) of their periods
Absolute value can reduce the period of a function

Suitable Grade Level

University level (due to trigonometric analysis)