1.(tan20°+tan40°+tan120°)/tan20°tan40°tan120°的值是什么?2.函数f(x)=tan(x+π/4)的单调区间是什么?3.已知(√3+tanθ)/(1-tanθ)=1+2√3,则sinθ+sin2θ的值是多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 19:09:03
![1.(tan20°+tan40°+tan120°)/tan20°tan40°tan120°的值是什么?2.函数f(x)=tan(x+π/4)的单调区间是什么?3.已知(√3+tanθ)/(1-tanθ)=1+2√3,则sinθ+sin2θ的值是多少?](/uploads/image/z/12630282-42-2.jpg?t=1.%28tan20%C2%B0%2Btan40%C2%B0%2Btan120%C2%B0%29%EF%BC%8Ftan20%C2%B0tan40%C2%B0tan120%C2%B0%E7%9A%84%E5%80%BC%E6%98%AF%E4%BB%80%E4%B9%88%3F2.%E5%87%BD%E6%95%B0f%28x%29%3Dtan%28x%2B%CF%80%2F4%29%E7%9A%84%E5%8D%95%E8%B0%83%E5%8C%BA%E9%97%B4%E6%98%AF%E4%BB%80%E4%B9%88%3F3.%E5%B7%B2%E7%9F%A5%28%E2%88%9A3%2Btan%CE%B8%29%EF%BC%8F%281-tan%CE%B8%29%3D1%2B2%E2%88%9A3%2C%E5%88%99sin%CE%B8%2Bsin2%CE%B8%E7%9A%84%E5%80%BC%E6%98%AF%E5%A4%9A%E5%B0%91%3F)
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