设函数f(x)=sinx/(2+cosx) (1)求f(x)的单调区间 (2)如果对任何x》0,都有f(x)《ax,求a的取值范围你的答案貌似是对的,貌似用图像解也是对的,但具体步骤或者分析能不能说下呢,怎么发到知道上来鸟
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![设函数f(x)=sinx/(2+cosx) (1)求f(x)的单调区间 (2)如果对任何x》0,都有f(x)《ax,求a的取值范围你的答案貌似是对的,貌似用图像解也是对的,但具体步骤或者分析能不能说下呢,怎么发到知道上来鸟](/uploads/image/z/8426852-44-2.jpg?t=%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3Dsinx%2F%282%2Bcosx%29+%281%29%E6%B1%82f%28x%29%E7%9A%84%E5%8D%95%E8%B0%83%E5%8C%BA%E9%97%B4+%EF%BC%882%EF%BC%89%E5%A6%82%E6%9E%9C%E5%AF%B9%E4%BB%BB%E4%BD%95x%E3%80%8B0%2C%E9%83%BD%E6%9C%89f%28x%29%E3%80%8Aax%2C%E6%B1%82a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E4%BD%A0%E7%9A%84%E7%AD%94%E6%A1%88%E8%B2%8C%E4%BC%BC%E6%98%AF%E5%AF%B9%E7%9A%84%2C%E8%B2%8C%E4%BC%BC%E7%94%A8%E5%9B%BE%E5%83%8F%E8%A7%A3%E4%B9%9F%E6%98%AF%E5%AF%B9%E7%9A%84%2C%E4%BD%86%E5%85%B7%E4%BD%93%E6%AD%A5%E9%AA%A4%E6%88%96%E8%80%85%E5%88%86%E6%9E%90%E8%83%BD%E4%B8%8D%E8%83%BD%E8%AF%B4%E4%B8%8B%E5%91%A2%2C%E6%80%8E%E4%B9%88%E5%8F%91%E5%88%B0%E7%9F%A5%E9%81%93%E4%B8%8A%E6%9D%A5%E9%B8%9F)
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