以后這種題只要令cos里面的東西=kπ
例如此題2x-3π\(zhòng)2=kπ
x=kπ/2+3π/4
如果是sin 則只要令sin里面的東西=π/2+kπ
y=cos(2x-3π\(zhòng)2)圖像的對(duì)稱軸
y=cos(2x-3π\(zhòng)2)圖像的對(duì)稱軸
數(shù)學(xué)人氣：668 ℃時(shí)間：2020-06-16 13:54:37
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