1.求满足cosx≥1/2(x∈[-π,π])的x的取值范围2.求满足sinx≤根号3/2(x∈[0,2π)]的x的取值范围
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1.求满足cosx≥1/2(x∈[-π,π])的x的取值范围2.求满足sinx≤根号3/2(x∈[0,2π)]的x的取值范围1.求满足cosx≥1/2(x∈[-π,π])的x的取值范围2.求满足sin
1.求满足cosx≥1/2(x∈[-π,π])的x的取值范围2.求满足sinx≤根号3/2(x∈[0,2π)]的x的取值范围
1.求满足cosx≥1/2(x∈[-π,π])的x的取值范围
2.求满足sinx≤根号3/2(x∈[0,2π)]的x的取值范围
1.求满足cosx≥1/2(x∈[-π,π])的x的取值范围2.求满足sinx≤根号3/2(x∈[0,2π)]的x的取值范围
1.[-π/3,π/3]
2.{x|2kπ+2π/3