函数y=√cos(2x-π/3)的导数为?

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函数y=√cos(2x-π/3)的导数为?
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函数y=√cos(2x-π/3)的导数为?
函数y=√cos(2x-π/3)的导数为?

函数y=√cos(2x-π/3)的导数为?
1.将cos(2x-π/3)看成整体√cos(2x-π/3)的导数是1/[2√cos(2x-π/3)]
将2x-π/3看成整体cos(2x-π/3)的导数是-sin(2x-π/3)
2x-π/3的导数是2
根据复合函数求导的原理y'=1/[2√cos(2x-π/3)]*[-sin(2x-π/3)]*2=-sin(2x-π/3)/√cos(2x-π/3)