[微積] 三角函數與切線問題
求 a, b, c
使得 f(x)=a+b cos(cx)
切 (0,1) 的切線方程式為 y=1
切 (pi/4, 3/2) 的切線方程式 y=x+3/2 -pi/4
謝謝!
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