Mathematics
Senior High
Resolved
想請問這題,
我要怎麼知道在0~-1之間還有一個交點,因為我自己畫圖是只有看到2個,謝謝!
個正根, 2個負根。
2-0
y=x
201-2
2 34.
y = COST X 1 = COSTUX, X = 1½ <====
2
costx
6 方程式 x =cos zx 有 3 個實根,其中有
= X
X
711
【解
2元
(y = Cos π X > T = 14 = 2
MAXAZ
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉

看切線