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Calculating Limit of Function – A quotient of functions with cos – Exercise 268

Exercise

Evaluate the following limit:

\lim _ { x \rightarrow 0 } \frac {\cos ( 2 x ) - 1} {\cos x - 1}

Final Answer


\lim _ { x \rightarrow 0 } \frac {\cos ( 2 x ) - 1} {\cos x - 1} = 4

Solution

Coming soon…

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