Mathematics - Functions Question with Solution | TestHub

MathematicsFunctionsGeneral (Definition,type and special type)Easy2 minQB

MathematicsEasyinteger

If $f (x) = cos [π^{2}] x + cos [- π^{2}] x$ where $[x]$ stands for greatest integer function, then $f (2 π) - f (\frac{π}{2}) =$

Answer:

Solution:

$f (x) = cos 9 x + cos 10 x$ $f (2 π) - f (\frac{π}{2}) = 1 + 1 - 0 + 1 = 3$

Stream:JEESubject:MathematicsTopic:FunctionsSubtopic:General (Definition,type and special type)

⏱ 2mℹ️ Source: QB

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