高中数学第1章解三角形1.1.2余弦定理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,1/39,2/39,平方,夹角,两倍,平方,3/39,三角,两边,夹角,4/39,5/39,6/39,7/39,8/39,直角,钝角,锐角,9/39,10/39,11/39,已知两边及一角解三角形,12/39,13/39,14/39,15/39,16/39,XXX,已知三边解三角形,17/39,18/39,19/39,20/39,21/39,正、余弦定理综合应用,22/39,23/39,24/39,25/39,26/39,27/39,28/39,29/39,30/39,31/39,32/39,33/39,34/39,35/39,36/39,37/39,38/39,39/39,