sin(2x+π/6)单调递减区间是
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![sin(2x+π/6)单调递减区间是](/uploads/image/z/11948064-24-4.jpg?t=sin%282x%2B%CF%80%2F6%EF%BC%89%E5%8D%95%E8%B0%83%E9%80%92%E5%87%8F%E5%8C%BA%E9%97%B4%E6%98%AF)
sin(2x+π/6)单调递减区间是
sin(2x+π/6)单调递减区间是
sin(2x+π/6)单调递减区间是
2kπ+π/2
sin(2x+π/6)单调递减区间是
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sin(2x-π/6)的单调递减区间
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