If f(x)= [ ] x+ [ x], where [y] is the greatest integer function of y, then f ( 2 ) is…
Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions
If \(f(x)=\cos [\pi] x+\cos [\pi x],\) where [y] is the greatest integer function of y, then \(f\left(\frac{\pi}{2}\right)\) is equal to
- \(\cos 3\)
- \(0\)
- \(\cos 4\)
- None of these
Answer
(B) 0
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