函数y=-sin(x-π/5),x∈[π/3,7π/3]的减区间

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函数y=-sin(x-π/5),x∈[π/3,7π/3]的减区间函数y=-sin(x-π/5),x∈[π/3,7π/3]的减区间函数y=-sin(x-π/5),x∈[π/3,7π/3]的减区间2kπ+

函数y=-sin(x-π/5),x∈[π/3,7π/3]的减区间
函数y=-sin(x-π/5),x∈[π/3,7π/3]的减区间

函数y=-sin(x-π/5),x∈[π/3,7π/3]的减区间
2kπ+π/2