如图平面直角坐标系中,A(4,0),B(0,4),C是线段AB上一点,BC=3AC(1)求C坐标(2)P是y轴正半轴上一点,角PCO=45度,求P点坐标
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![如图平面直角坐标系中,A(4,0),B(0,4),C是线段AB上一点,BC=3AC(1)求C坐标(2)P是y轴正半轴上一点,角PCO=45度,求P点坐标](/uploads/image/z/8102154-66-4.jpg?t=%E5%A6%82%E5%9B%BE%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2CA%284%2C0%29%2CB%280%2C4%29%2CC%E6%98%AF%E7%BA%BF%E6%AE%B5AB%E4%B8%8A%E4%B8%80%E7%82%B9%2CBC%3D3AC%281%29%E6%B1%82C%E5%9D%90%E6%A0%87%282%29P%E6%98%AFy%E8%BD%B4%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E8%A7%92PCO%3D45%E5%BA%A6%2C%E6%B1%82P%E7%82%B9%E5%9D%90%E6%A0%87)
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