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Evaluate the Limit limit as x approaches 0 of (sin(x))/x

Problem

(lim_x→0)(sin(x)/x)

Solution

  1. Identify the form of the limit by substituting x=0 into the expression.

  2. Observe that sin(0)=0 and the denominator is 0 resulting in the indeterminate form 0/0

  3. Apply L'Hôpital's Rule, which states that for indeterminate forms of 0/0 the limit is equal to the limit of the derivatives of the numerator and denominator.

  4. Differentiate the numerator sin(x) to get cos(x) and the denominator x to get 1

  5. Evaluate the new limit as x approaches 0

  6. Substitute x=0 into cos(x) noting that cos(0)=1

Final Answer

(lim_x→0)(sin(x)/x)=1


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