解方程cos(3x-π/3)=√2/2

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解方程cos(3x-π/3)=√2/2解方程cos(3x-π/3)=√2/2解方程cos(3x-π/3)=√2/2cos(3x-π/3)=√2/23x-π/3=2kπ-π/4或3x-π/3=2kπ+π

解方程cos(3x-π/3)=√2/2
解方程cos(3x-π/3)=√2/2

解方程cos(3x-π/3)=√2/2
cos(3x-π/3)=√2/2
3x-π/3=2kπ-π/4或3x-π/3=2kπ+π/4
3x=2kπ+π/12或3x=2kπ+7π/12
x=2kπ/3+π/36或x=2kπ/3+7π/36;k∈Z

cos(3x-π/3)=√2/2
3x-π/3=2kπ+π/4或3x-π/3=2kπ-π/4
3x=2kπ+π/4+π/3或3x-π/3=2kπ-π/4+π/3
3x=2kπ+7π/12或3x=2kπ+π/12
x=2kπ/3+7π/36或x=2kπ/3+π/36

3x-π/3=2kπ+-π/4
x=2kπ+7π/12或x=2kπ+π/12

cos(3x-3\π)=cos4\π或cos4\7π
3X-3\π=4\π或4\7π
3X=12\7π或12\25π
X=36\7π或36\25π