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    How to expand sin x to infinity for all x,by validity power series expansion?
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    sin x = x - x^3/3! + x^5/5!....
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    Yes I got the expansion correct but what does it means by validating power series expansion.
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    maybe you need to validate the formula ie make sure it is an odd function and ensure that sin x = 0 when x = 0.
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    Yes but how to do that,do I have to use lagrange's form of remaider here or what.
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    hmmm...no clue buddy.
 
 
 
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Updated: August 27, 2008

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