g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a 若g(x)图像按向量a(-π/3,1)平移后得到y=f(x)图像 1.求函数y=f(x)g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a若g(x)图像向右平移1个单位后得到y=f(x)图像1.求函数y=f(x)的解析式2.求y=log(1/
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![g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a 若g(x)图像按向量a(-π/3,1)平移后得到y=f(x)图像 1.求函数y=f(x)g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a若g(x)图像向右平移1个单位后得到y=f(x)图像1.求函数y=f(x)的解析式2.求y=log(1/](/uploads/image/z/7946416-64-6.jpg?t=g%28x%29%3D-4cos%5E2%28x%2B%CF%80%2F6%29%2B4sin%28x%2B%CF%80%2F6%29-a+%E8%8B%A5g%28x%29%E5%9B%BE%E5%83%8F%E6%8C%89%E5%90%91%E9%87%8Fa%EF%BC%88-%CF%80%2F3%2C1%EF%BC%89%E5%B9%B3%E7%A7%BB%E5%90%8E%E5%BE%97%E5%88%B0y%3Df%28x%29%E5%9B%BE%E5%83%8F+1.%E6%B1%82%E5%87%BD%E6%95%B0y%3Df%28x%29g%28x%29%3D-4cos%5E2%28x%2B%CF%80%2F6%29%2B4sin%28x%2B%CF%80%2F6%29-a%E8%8B%A5g%28x%29%E5%9B%BE%E5%83%8F%E5%90%91%E5%8F%B3%E5%B9%B3%E7%A7%BB1%E4%B8%AA%E5%8D%95%E4%BD%8D%E5%90%8E%E5%BE%97%E5%88%B0y%3Df%28x%29%E5%9B%BE%E5%83%8F1.%E6%B1%82%E5%87%BD%E6%95%B0y%3Df%28x%29%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F2.%E6%B1%82y%3Dlog%281%2F)
g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a 若g(x)图像按向量a(-π/3,1)平移后得到y=f(x)图像 1.求函数y=f(x)g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a若g(x)图像向右平移1个单位后得到y=f(x)图像1.求函数y=f(x)的解析式2.求y=log(1/
g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a 若g(x)图像按向量a(-π/3,1)平移后得到y=f(x)图像 1.求函数y=f(x)
g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a
若g(x)图像向右平移1个单位后得到y=f(x)图像
1.求函数y=f(x)的解析式
2.求y=log(1/2)[f(x)+8+a]的值域
3.当x属于[-π/4,2/3π]时,f(x)=0恒有解,求a的取值范围
向量a(-π/3,1)是错的
g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a 若g(x)图像按向量a(-π/3,1)平移后得到y=f(x)图像 1.求函数y=f(x)g(x)=-4cos^2(x+π/6)+4sin(x+π/6)-a若g(x)图像向右平移1个单位后得到y=f(x)图像1.求函数y=f(x)的解析式2.求y=log(1/
1)f平移后的函数为
-4cos2(平方)(x+π/4)+4(根号3)asin(x+π/4)cos(x+π/4)-2
=-2[1+cos(2x+π/2)]+2(根号3)asin(2x+π/2)-2
=-2cos(2x+π/2)+2(根号3)asin(2x+π/2)-4
=2sin2x-2(根号3)acos2x-4
最小正周期为π,a=-1
=4sin(2x+π/3)-4
2)f=-4sin(2x+π/3)-2
x€[π/6,2π/3]
|f(x)|€[2gen3-2,2gen3+2]
|f(x)-m|<4
f-4
望楼主采纳~~~