f(x)=sin(2x+w)是偶函数,则w= .f(x)=cos(0.5x+w),则w=
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![f(x)=sin(2x+w)是偶函数,则w= .f(x)=cos(0.5x+w),则w=](/uploads/image/z/7208867-11-7.jpg?t=f%28x%29%3Dsin%282x%2Bw%29%E6%98%AF%E5%81%B6%E5%87%BD%E6%95%B0%2C%E5%88%99w%3D+.f%28x%29%3Dcos%280.5x%2Bw%29%2C%E5%88%99w%3D)
f(x)=sin(2x+w)是偶函数,则w= .f(x)=cos(0.5x+w),则w=
f(x)=sin(2x+w)是偶函数,则w= .f(x)=cos(0.5x+w),则w=
f(x)=sin(2x+w)是偶函数,则w= .f(x)=cos(0.5x+w),则w=
f(x)=sin(2x+w)是偶函数,则sin(2x+w)=sin(-2x+w)
2x+w+(-2x+w)=2kπ+π(因x是变量,故不可能有2x+w=2kπ+(-2x+w))
那么w=(k+1/2)π,k∈Z.
"f(x)=cos(0.5x+w),则w="是什么?若也是偶(奇)函数,照样做就是.