函数y=cos(π/6)cos(2x)+sin(π/6)sin(2x)的单调递减区间是?cos(π/6-2x)与cos(2x-π/6)单调递减区间一样吗?
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 00:23:09
函数y=cos(π/6)cos(2x)+sin(π/6)sin(2x)的单调递减区间是?cos(π/6-2x)与cos(2x-π/6)单调递减区间一样吗?函数y=cos(π/6)cos(2x)+sin
函数y=cos(π/6)cos(2x)+sin(π/6)sin(2x)的单调递减区间是?cos(π/6-2x)与cos(2x-π/6)单调递减区间一样吗?
函数y=cos(π/6)cos(2x)+sin(π/6)sin(2x)的单调递减区间是?
cos(π/6-2x)与cos(2x-π/6)单调递减区间一样吗?
函数y=cos(π/6)cos(2x)+sin(π/6)sin(2x)的单调递减区间是?cos(π/6-2x)与cos(2x-π/6)单调递减区间一样吗?
y=cos(π/6)cos(2x)+sin(π/6)sin(2x) =cos(2x-π/6)
令2kπ
y=cos(π/6)cos(2x)+sin(π/6)sin(2x)=cos(2x-π/6)=sin(2x+π/3)
2x+π/3∈[2kπ+π/2,2kπ+3π/2] k∈Z
x∈[kπ+π/12,kπ+7π/12] k∈Z
单调递减区间[kπ+π/12,kπ+7π/12] k∈Z
函数y=2cos(x-π/3)(π/6
函数y=2cos(2x-π/6)值域
函数y=cosπ/2x×cosπ/2(x-1)的最小正周期
函数y=cosπ/2x×cosπ/2(x-1)的最小正周期
化简函数y=cos^2(x+7π/12)-cos^2(x+π/12),
函数y=cos^2(π/4-x)-cos^2(π/4+x)的值域是
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:
这个题目那步写错了?(关于三角函数平移的题)要得到函数y=sinx的图象,只需将函数y=cos(X-π/3)的图象_________.因为sinx=cos(π/2-x)=cos(x-π/2)又因为cos(X-π/3-π/6)=cos(2x-π/2)所以只需将函数y=cos(X-
函数y=cos(x+π/6)(0
函数Y=COS(π/2-2X)的奇偶性
函数y=cos(2x+φ) (-π
函数y=cos(2x+π/4) 求dy
函数y=3cos(2x-π/3)最小值
函数y=cos(2x+π/4)的对称轴
函数y=cos(π/6)cos(2x)+sin(π/6)sin(2x)的单调递减区间是?cos(π/6-2x)与cos(2x-π/6)单调递减区间一样吗?
函数y=cos(π/6)cos(2x)+sin(π/6)sin(2x)的单调递减区间是?cos(π/6-2x)与cos(2x-π/6)单调递减区间一样吗?
函数f(x)=cos(x+2/π)cos(x+π/6)的最小正周期