对y=sin²(2t-5)求导
问题描述:
对y=sin²(2t-5)求导
答
利用复合函数的求导法则:
y'=2sin(2t-5)·[sin(2t-5)]'
=2sin(2t-5)·cos(2t-5)·(2t-5)'
=sin(4t-10)·2
=2sin(4t-10)