作业帮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](/uploads/image/z/3645140-68-0.jpg?t=1.%E6%B1%82%E6%BB%A1%E8%B6%B3cosx%E2%89%A51%2F2%28x%E2%88%88%5B-%CF%80%2C%CF%80%5D%29%E7%9A%84x%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B42.%E6%B1%82%E6%BB%A1%E8%B6%B3sinx%E2%89%A4%E6%A0%B9%E5%8F%B73%2F2%28x%E2%88%88%5B0%2C2%CF%80%29%5D%E7%9A%84x%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
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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