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Double Whammy

Geometry Level 2

What is the fundamental period of the function \(f(x) = | \sin(x) | + | \cos(x) | \)?

\[ 2 \pi \] \[ \pi \] \[ \frac \pi 2 \] \[ \frac \pi 4 \]

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by Shubhadeep Nandy

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