高二数学问题!超简单的!设直线l经过M(1,5),倾斜角为60. (1)求直线l的参数方程; (2)求直线l和直线x-y-2=0的交点到点M的距离; (3)求直线l和圆x^2+y^2=16的两个交点到点M的距离的和与积.
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![高二数学问题!超简单的!设直线l经过M(1,5),倾斜角为60. (1)求直线l的参数方程; (2)求直线l和直线x-y-2=0的交点到点M的距离; (3)求直线l和圆x^2+y^2=16的两个交点到点M的距离的和与积.](/uploads/image/z/3994364-20-4.jpg?t=%E9%AB%98%E4%BA%8C%E6%95%B0%E5%AD%A6%E9%97%AE%E9%A2%98%21%E8%B6%85%E7%AE%80%E5%8D%95%E7%9A%84%21%E8%AE%BE%E7%9B%B4%E7%BA%BFl%E7%BB%8F%E8%BF%87M%281%2C5%29%2C%E5%80%BE%E6%96%9C%E8%A7%92%E4%B8%BA60.+%281%29%E6%B1%82%E7%9B%B4%E7%BA%BFl%E7%9A%84%E5%8F%82%E6%95%B0%E6%96%B9%E7%A8%8B%3B+%282%29%E6%B1%82%E7%9B%B4%E7%BA%BFl%E5%92%8C%E7%9B%B4%E7%BA%BFx-y-2%3D0%E7%9A%84%E4%BA%A4%E7%82%B9%E5%88%B0%E7%82%B9M%E7%9A%84%E8%B7%9D%E7%A6%BB%3B+%283%29%E6%B1%82%E7%9B%B4%E7%BA%BFl%E5%92%8C%E5%9C%86x%5E2%2By%5E2%3D16%E7%9A%84%E4%B8%A4%E4%B8%AA%E4%BA%A4%E7%82%B9%E5%88%B0%E7%82%B9M%E7%9A%84%E8%B7%9D%E7%A6%BB%E7%9A%84%E5%92%8C%E4%B8%8E%E7%A7%AF.)
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