CBSE BOARD XII, asked by rohanmalhotra5458, 15 days ago

If f(x)=cos|x|+[|sinx2|], (where [.] denotes the greatest integer function), then f(x) is

Answers

Answered by PoisionBabe
0

Explanation:

f(x)=cos|x| +[|sinx/2|]

0<+[|sinx/2|]<1/2 => +[|sinx//2|]=0

Therefore, f(x)=cos|x| = cosx Ax € R

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