Question: Awnser needs to be infinity or DNE 2. (7 points each ) Find the exact value of each of the following limits. Write oo, -oo,

Awnser needs to be infinity or DNE

2. (7 points each ) Find the exact value of each of the following limits. Write "oo," "-oo," or "does not exist" if appropriate. It is particularly impor tant to show your work on this problem. Numerical approximations do not constitute an acceptable solution. x - 2 (a) lim 14-2 2- 4 arctan(T) - (b) lim COS -x +x-1
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