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AHSME 1999 Problem 18

    How many zeros does f(x)=cos⁡(log⁡x)f(x) = \cos(\log x) have on the interval 0<x<10 < x < 1? (A) 0(B) 1(C) 2(D) 10(E) infinitely many\mathrm{(A) \ } 0 \mathrm{(B) \ } 1 \mathrm{(C) \ } 2 \mathrm{(D) \ } 10 \mathrm{(E) \ } \text{infinitely\ many}

    Dataset text NuminaMath-1.5. Quoted with source.

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    \inftyinitely\many

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