1在三角形ABC中,a,b,c分别是ABC所对的边若A=105度B=45度b=2倍根号2则c为2在三角形ABC中一定成立的是A asinA=bsinB BacosA=bcosB C asinB=bsinA D acosB=bcosA3在三角形ABC中B为45度C为60度c=1则最短边是多少4已知在
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![1在三角形ABC中,a,b,c分别是ABC所对的边若A=105度B=45度b=2倍根号2则c为2在三角形ABC中一定成立的是A asinA=bsinB BacosA=bcosB C asinB=bsinA D acosB=bcosA3在三角形ABC中B为45度C为60度c=1则最短边是多少4已知在](/uploads/image/z/9362174-14-4.jpg?t=1%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2Ca%2Cb%2Cc%E5%88%86%E5%88%AB%E6%98%AFABC%E6%89%80%E5%AF%B9%E7%9A%84%E8%BE%B9%E8%8B%A5A%3D105%E5%BA%A6B%3D45%E5%BA%A6b%3D2%E5%80%8D%E6%A0%B9%E5%8F%B72%E5%88%99c%E4%B8%BA2%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%E4%B8%80%E5%AE%9A%E6%88%90%E7%AB%8B%E7%9A%84%E6%98%AFA+asinA%3DbsinB+BacosA%3DbcosB+C+asinB%3DbsinA+D+acosB%3DbcosA3%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%ADB%E4%B8%BA45%E5%BA%A6C%E4%B8%BA60%E5%BA%A6c%3D1%E5%88%99%E6%9C%80%E7%9F%AD%E8%BE%B9%E6%98%AF%E5%A4%9A%E5%B0%914%E5%B7%B2%E7%9F%A5%E5%9C%A8)
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