Math Problem Statement
lim x -> 0 2x * cot x =***
Solution
We need to evaluate the limit:
We know that , so the expression becomes:
Using the standard limit identity:
We then have:
Thus, the solution is:
Would you like any further explanation or details on this?
Here are five related questions:
- What is the limit of ?
- How do you find the limit of a product of functions as ?
- What is the behavior of as ?
- Can L'Hôpital's Rule be applied to find this limit?
- How does the Taylor series expansion of trigonometric functions help with limits?
Tip: Memorizing common trigonometric limits, like , can greatly speed up solving such problems!
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Math Problem Analysis
Mathematical Concepts
Limits
Trigonometry
Formulas
lim(x -> 0) 2x * cot(x)
lim(x -> 0) (x/tan(x)) = 1
Theorems
Limit Theorems
Standard Trigonometric Limits
Suitable Grade Level
Grades 10-12