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FeyBest ResponseYou've already chosen the best response.0
I know the derivative of sine is cosine. but im not sure how to aply it
 one year ago

swissgirlBest ResponseYou've already chosen the best response.2
dw:1351574751563:dw
 one year ago

dumbcowBest ResponseYou've already chosen the best response.1
you can always factor out constants \[\frac{d}{dx} 4\sin x = 4(\frac{d}{dx} \sin x) = 4\cos x\]
 one year ago

FeyBest ResponseYou've already chosen the best response.0
oh yeah! i forgot :) thank u!
 one year ago

zordoloomBest ResponseYou've already chosen the best response.0
Just follow what @swissgirl has draw.
 one year ago

swissgirlBest ResponseYou've already chosen the best response.2
Actually lol follow what @dumbcow has written. I messed up with my dx/dy
 one year ago
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