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在△ABC中,a、b分别是角A、B所对的边,则“a=b”是“sinA=sinB”...
在△ABC中,a、b分别是角A、B所对的边,则“a=b”是“sinA=sinB”的( )
A.充要条件
B.必要不充分条件
C.充分不必要条件
D.既不充分也不必要条件
考点分析:
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