定义在区间(0,π/2)上的函数y=3cosx的图像与y=8tanx的图像的交点为P,过点P作PP1垂直于x轴于点P1,直线PP1与y=sinx 的图像交于点P2,则线段P1P2长为
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![定义在区间(0,π/2)上的函数y=3cosx的图像与y=8tanx的图像的交点为P,过点P作PP1垂直于x轴于点P1,直线PP1与y=sinx 的图像交于点P2,则线段P1P2长为](/uploads/image/z/14210634-66-4.jpg?t=%E5%AE%9A%E4%B9%89%E5%9C%A8%E5%8C%BA%E9%97%B4%280%2C%CF%80%2F2%29%E4%B8%8A%E7%9A%84%E5%87%BD%E6%95%B0y%3D3cosx%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8Ey%3D8tanx%E7%9A%84%E5%9B%BE%E5%83%8F%E7%9A%84%E4%BA%A4%E7%82%B9%E4%B8%BAP%2C%E8%BF%87%E7%82%B9P%E4%BD%9CPP1%E5%9E%82%E7%9B%B4%E4%BA%8Ex%E8%BD%B4%E4%BA%8E%E7%82%B9P1%2C%E7%9B%B4%E7%BA%BFPP1%E4%B8%8Ey%3Dsinx+%E7%9A%84%E5%9B%BE%E5%83%8F%E4%BA%A4%E4%BA%8E%E7%82%B9P2%2C%E5%88%99%E7%BA%BF%E6%AE%B5P1P2%E9%95%BF%E4%B8%BA)
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