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Kaiya
Mathematics
12 December, 04:38
Prove that lim x->0 cos (1/x) does not exist.
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Ernesto Cruz
12 December, 04:50
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The limit of the function cos (1/x) as x approaches zero can be determined by substituting x with zero to the expression given. IN this case, 1/0 is equal to infinity. Using the rule of cosines, the maximum value of the cosine expression is 1. Hence the limit should be 1.
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