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已知△ABC中,a、b、c分别是角A、B、C的对边,a=,b=,B=60°,那么...
已知△ABC中,a、b、c分别是角A、B、C的对边,a=
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,b=
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,B=60°,那么∠A等于( )
A.135°
B.45°
C.135°或45°
D.60°
考点分析:
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