Is the limit infinite or DNE? The video works through an example of finding a vertical asymptote for a trigonometric function and determining the one-sided limits on each side of the vertical asymptote.

Concepts

limits, infinity, vertical asymptote

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Additional Tags

math

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Instructional Ideas

• Have the class use a graphing calculator to check the results in the video
• Only includes one example; create a worksheet with more so students can practice

Classroom Considerations

• Individuals need to know how to rewrite trigonometric functions in terms of sine or cosine
• Learners should also be able to evaluate limits numerically

• This video is hosted on YouTube

Pros

• Clear explanations simplify the concept

Cons

• Uses some incorrect terminology