x²／25+y²／9＝1的焦点为F1F2点P为其上的动点，当角F1PF2为钝 锐角三角比，点P横坐标范围

来源：蜘蛛抓取(WebSpider) 时间：2016-09-04 15:27 标签： 锐角三角函数ppt
高中数学：已知F1，F2是椭圆C：x2/a2+y2/b2=1的两个焦点，P为椭圆C上一点且PF1垂直于PF2。若三角形PF1F2的_百度知道椭圆C:x²／a²＋y²／b²＝1﹙a＞b＞0﹚的两个焦点为F1，F2，短轴两个端点为A,B，已知│_百度知道The page is temporarily unavailable
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/etc/nginx/nginx.conf.已知椭圆x2/25+y2/16=1上一点P,焦点是F1F2,若(1)∠F1PF2=60°,(2)∠F1PF2=90°,求△F1PF2的面积_百度知道(1/2)[紧急求助，高中数学！！]双曲线(x^/16)-(y^/9)=1上一点P到右焦点的距离是实轴两端点到右焦点距离..._百度知道

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