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higher mat differentiation thanks


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#1 Stewartd7

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Posted 19 May 2009 - 02:57 PM

differntiate sin^2 x

please help

GOT IT

#2 Garden

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Posted 19 May 2009 - 08:32 PM

QUOTE (Stewartd7 @ May 19 2009, 03:57 PM) <{POST_SNAPBACK}>
differntiate sin^2 x

please help

GOT IT


sin^2(x) = (sin (x))^2
differential = 2sin(x) x cos(x) due to chain rule
= 2sin(x)cos(x)
Beware negatives,
for they will haunt you in haikus
and in exam rooms.





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