四、三角函數的微分. 1. (sin x)' = cos x. 3. (tanx) = sec x. 5. (sec x)' = sec x tan x. 2. (cos x)' = -sin x. 4. (cotty --csc x. 6. (cscx)' =-cscxcot x.
確定！ 回上一頁
