Asked by ashley
Evaluate the limit as x approaches 0 of [tan(x+Δx)-tan(x)] /Δx:
sec^ 2 (x)
cot (x)
sec (x)
does not exist
sec^ 2 (x)
cot (x)
sec (x)
does not exist
Answers
Answered by
Steve
This is handily explained at
http://answers.yahoo.com/question/index?qid=20100519122921AAIzxX9
http://answers.yahoo.com/question/index?qid=20100519122921AAIzxX9
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