Question:medium
If \(f(x) = \cos[\pi^2]x + \cos[-\pi^2]x\), then
If \(f(x) = \cos[\pi^2]x + \cos[-\pi^2]x\), then
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\([\cdot]\) denotes greatest integer function.
Updated On: Apr 7, 2026
- \(f(\pi/4) = 2\)
- \(f(-\pi) = 2\)
- \(f(\pi) = 1\)
- \(f(\pi/2) = -1\)
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The Correct Option is D
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