Mathematics
Senior High
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解き方を教えてください。答えは2枚目の写真です。
関数 y= = COS X COS
(x + ²/3-T) (0≦x<2π) の最大値・最小値と, そのときのxの値を求めよ。
最大値: 1/12 ( 4 = 12/21 12/2のとき)
4
3
最小値:
(2002 - 2 = 0) 15/0
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