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Provide an Appropriate Response xx Can tan1x\tan ^ { - 1 } x

question 203

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Provide an appropriate response.
-For approximately what values of xx can tan1x\tan ^ { - 1 } x be replaced by xx33+x55x - \frac { x ^ { 3 } } { 3 } + \frac { x ^ { 5 } } { 5 } with an error of magnitude no greater than 5×1085 \times 10 ^ { - 8 } ?


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