問題詳情

4. Assume a = 2tant,y = sec2t - 1. Find an equation for the line tangent to the curvo atthe point where t =

.
(A) y=-x-1
(B)y=-x+1
(C)y=x
(D)y=x+1
(E)y=x-1

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增