Evaluate the Limit limit as x approaches 0 of sin(1/x)
Problem
Solution
Analyze the behavior of the inner function
1/x asx approaches0 Asx gets closer to0 from the right,1/x approaches∞ and asx gets closer to0 from the left,1/x approaches−∞ Observe the behavior of the sine function. The function
sin(θ) oscillates infinitely many times between−1 and1 asθ approaches∞ or−∞ Determine the limit. Because the value of
sin(1/x) continues to oscillate between−1 and1 and does not settle on a single value asx approaches0 the limit does not exist.
Final Answer
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