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Question B please, working out as well please
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5 votes
Question B please, working out as well please

Question B please, working out as well please-example-1
User Fred Wu
by
7.1k points

1 Answer

3 votes
let y=4cos x
using product rule...
dy/dx = Udv + Vdu
where u = 4
v= cos X
dy/dx = 4×-sinX + cosX×0
dy/dx = -4sinX
User Kyle Ivey
by
7.5k points
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