对y=sin²(2t-5)求导

对y=sin²(2t-5)求导
对y=sin²(2t-5)求导

对y=sin²(2t-5)求导
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)

2sin(2t-5)cos(2t-5)*2

y'=2sin(2t-5)×cos(2t-5)×2
=2sin(4t-10)