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Problem 1: Use the Taylor expansion of the error function to estimate erf(0.1). How far off is that from the actual
value of erf(0.1)? Would you call this a “good” approximation for x = 0.1?

Problem 2: Find the length of the graph of y = sin x over half a period symbolically

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Problem 1: Use the Taylor expansion of the error function to estimate erf(0.1). How far off is that from the actual value of erf(0.1)? Would you call this a “good” approximation for x = 0.1? Problem 2: Find the length of the graph of y = sin x over half a period symbolically