在△ABC中，∠A、∠B、∠C所对的边长分别是a、b、c．若sinC+sin（B﹣A）=sin2A，则△ABC的形状为

题干

在△ABC中，∠A、∠B、∠C所对的边长分别是a、b、c．若sinC+sin（B﹣A）=sin2A，则△ABC的形状为（）

A：等腰三角形

B：直角三角形

C：等腰直角三角形

D：等腰三角形或直角三角形

上一题下一题 0.0难度选择题更新时间:2018-06-08 07:37:36

D

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