y=cosπx*cos(πx-π/3)+sin^2πx的周期、单调区间、值域
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 04:16:09
y=cosπx*cos(πx-π/3)+sin^2πx的周期、单调区间、值域y=cosπx*cos(πx-π/3)+sin^2πx的周期、单调区间、值域y=cosπx*cos(πx-π/3)+sin^
y=cosπx*cos(πx-π/3)+sin^2πx的周期、单调区间、值域
y=cosπx*cos(πx-π/3)+sin^2πx的周期、单调区间、值域
y=cosπx*cos(πx-π/3)+sin^2πx的周期、单调区间、值域
y=cosπx*cos(πx-π/3)+sin^2πx
=[cos(πx+πx-π/3)+cos(πx-πx+π/3)]/2+sin^2πx
=cos(2πx)/4+sin(2πx)*√3/4+1/4+sin^2πx
=cos(2πx)/4+sin(2πx)*√3/4+1/4+(1-cos2πx)/2
=[cos(2πx+2π/3)]/2+5/4
下面的会算吧
y=cos(π/3-x)cos[π/2(x-1)]判断奇偶性y=cos(π/3-x)cos(π/3+x)判断奇偶性
函数y=cos(3π/2-x)/cos(3π-x)最小正周期是
函数y=cos(3π/2-x)/cos(3π-x)最小正周期是:
判断下列函数y=cos(x+π/3)cos(x-π/3)的奇偶性
y=cos(π/4-x)求导
函数y=sin(3x+π/3)cos(x-π/6)+cos(3x+π/3)cos(x+π/3)的图象的一条对称轴的方
函数y=2cos(x-π/3)(π/6
已知sinx=3/5,x∈(π/2,π),求【sin(x+y)+sin(x-y)】/【cos(x+y)+cos(x-y)】的值
函数y=3cos(2x-π/3)最小值
求值域y=3+cos(2x-π/3)
Y=cosx+cos(x+π/3)de值
求函数y=cos(x+π/3)的定义域
y=1/cos(x-π/3)的定义域
Y=cos(3x-π/4)的导数
定义域 y=cos(x+π/3)帮个小忙.
y=|cos(2x+π/3 )|的周期是
y=2cos(2x-π/3)的值域
作出y=2cos(x+π/3)的图像