在锐角三角形ABC中.内角ABC的对边分别为abc 且2asinB=∫3b 求角A的大小 若a=6 b c=8 求三角形ABC的面积在锐角三角形ABC中.内角ABC的对边分别为abc 且2asinB=∫3b 求角A的大小若a=6 b+c=8 求三角形ABC的面
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![在锐角三角形ABC中.内角ABC的对边分别为abc 且2asinB=∫3b 求角A的大小 若a=6 b c=8 求三角形ABC的面积在锐角三角形ABC中.内角ABC的对边分别为abc 且2asinB=∫3b 求角A的大小若a=6 b+c=8 求三角形ABC的面](/uploads/image/z/171796-4-6.jpg?t=%E5%9C%A8%E9%94%90%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD.%E5%86%85%E8%A7%92ABC%E7%9A%84%E5%AF%B9%E8%BE%B9%E5%88%86%E5%88%AB%E4%B8%BAabc+%E4%B8%942asinB%3D%E2%88%AB3b+%E6%B1%82%E8%A7%92A%E7%9A%84%E5%A4%A7%E5%B0%8F+%E8%8B%A5a%3D6+b+c%3D8+%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E9%9D%A2%E7%A7%AF%E5%9C%A8%E9%94%90%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD.%E5%86%85%E8%A7%92ABC%E7%9A%84%E5%AF%B9%E8%BE%B9%E5%88%86%E5%88%AB%E4%B8%BAabc+%E4%B8%942asinB%3D%E2%88%AB3b+%E6%B1%82%E8%A7%92A%E7%9A%84%E5%A4%A7%E5%B0%8F%E8%8B%A5a%3D6+b%2Bc%3D8+%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E9%9D%A2)
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