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OpenStudy (anonymous):
f ' (x)=cos x < 0 whenever x belongs to [ - ╥,- ╥\2] increasing or decreasing and how?
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OpenStudy (anonymous):
|dw:1355191233745:dw|
OpenStudy (anonymous):
it is decreasing in this interval but how?
OpenStudy (anonymous):
wait you already took derivative? \[f'(x)=cosx\]
OpenStudy (anonymous):
yeah i have already taken
OpenStudy (anonymous):
actuall question is f(x) =sinx ,x belongs to [-╥,╥]
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OpenStudy (anonymous):
|dw:1355131310424:dw|
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