设双曲线C:x^2/a^2-y^2/b^2=1(a>0,b>0)的右焦点为F,P是C上在第一象限内的点,Q为双曲线左准线上点,若OP垂直平分FQ,则渐近线y=(b/a)x的倾斜角的范围是
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![设双曲线C:x^2/a^2-y^2/b^2=1(a>0,b>0)的右焦点为F,P是C上在第一象限内的点,Q为双曲线左准线上点,若OP垂直平分FQ,则渐近线y=(b/a)x的倾斜角的范围是](/uploads/image/z/10196039-47-9.jpg?t=%E8%AE%BE%E5%8F%8C%E6%9B%B2%E7%BA%BFC%3Ax%5E2%2Fa%5E2-y%5E2%2Fb%5E2%3D1%28a%3E0%2Cb%3E0%29%E7%9A%84%E5%8F%B3%E7%84%A6%E7%82%B9%E4%B8%BAF%2CP%E6%98%AFC%E4%B8%8A%E5%9C%A8%E7%AC%AC%E4%B8%80%E8%B1%A1%E9%99%90%E5%86%85%E7%9A%84%E7%82%B9%2CQ%E4%B8%BA%E5%8F%8C%E6%9B%B2%E7%BA%BF%E5%B7%A6%E5%87%86%E7%BA%BF%E4%B8%8A%E7%82%B9%2C%E8%8B%A5OP%E5%9E%82%E7%9B%B4%E5%B9%B3%E5%88%86FQ%2C%E5%88%99%E6%B8%90%E8%BF%91%E7%BA%BFy%3D%28b%2Fa%29x%E7%9A%84%E5%80%BE%E6%96%9C%E8%A7%92%E7%9A%84%E8%8C%83%E5%9B%B4%E6%98%AF)
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