蚶线r=acos b的图
![在极坐标系中,满足r=acosθ b的曲线,它的直角方程为(x2 y2-ax)2=b2(x](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=4089155709,426576561&fm=253&fmt=auto&app=138&f=JPG?w=479&h=447)
在极坐标系中,满足r=acosθ b的曲线,它的直角方程为(x2 y2-ax)2=b2(x
图片尺寸479x447![亦称蚶线.一种圆外旋轮线.](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=1035802535,1425878900&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=228)
亦称蚶线.一种圆外旋轮线.
图片尺寸3200x1459![画一半径为2r的定圆o(下图中的深绿色圆),在定圆上取一定点o(这里与](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=46291235,1348323315&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=390)
画一半径为2r的定圆o(下图中的深绿色圆),在定圆上取一定点o(这里与
图片尺寸854x666![蚶线(limacon)与巴斯加线很相似,vertices =1000r=10.0b=3.](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3764204984,3493345430&fm=253&fmt=auto&app=138&f=JPEG?w=494&h=443)
蚶线(limacon)与巴斯加线很相似,vertices =1000r=10.0b=3.
图片尺寸494x443![利萨茹曲线:帕斯卡尔蚶线(limacon of pascal):其极坐标方程式为 r =](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=3046315749,4271965801&fm=253&fmt=auto&app=138&f=GIF?w=337&h=209)
利萨茹曲线:帕斯卡尔蚶线(limacon of pascal):其极坐标方程式为 r =
图片尺寸337x209