高中数学4.4.2参数方程与普通方程的互化省公开课一等奖新名师优质课获奖PPT课件.pptx

阶段一,阶段二,阶段三,学业分层测评,1/31,2/31,x,0,l,cos,y,0,l,sin,r,cos,r,sin,x,0,r,cos,y,0,r,sin,3/31,4/31,5/31,6/31,7/31,参数方程化为普通方程,8/31,9/31,10/31,11/31,12/31,普通方程化为参数方程,13/31,14/31,15/31,利用参数求轨迹方程,16/31,17/31,18/31,19/31,20/31,21/31,22/31,23/31,24/31,25/31,26/31,27/31,28/31,29/31,30/31,31/31,