求导(Asin(wt+φ))'

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求导(Asin(wt+φ))'

求导(Asin(wt+φ))'
求导(Asin(wt+φ))'

求导(Asin(wt+φ))'
如果t是自变量,w,φ是常数的话,那么
(Asin(wt+φ))'=Awcos(wt+φ)

令wx+φ=u
(Asin(wt+φ))'
=(Asinu)'*u'
=Awcos(wt+φ)


(Asin(wt+φ))'
=Awcos(wt+φ)