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在Rt△ABC中,∠C=90°,sinA=,则tanB的值为( )
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已知Rt△ABC∠C=90°若∠A>∠B则下列选项正确的是
sinA<sinB
cosA<cosB
tanA<tanB
sinA<cosA
在Rt△ABC中∠C=90°下列各式中正确的是
sinA=sinB
tanA=tanB
sinA=cosB
cosA=cosB
在Rt△ABC中∠C=90°则下列各式①sinA=1-cosA②sinA=tanA·cosA③tan
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已知在Rt△ABC中∠C=90°sinA=则tanB的值为.
在Rt△ABC中∠C=90°则下列式子成立的是
sinA=sinB
cosA=sinB
tanA=tanB
sinA=tanB
在Rt△ABC中∠C.=90°a=3c=5求sinA.和tanA.的值.
已知在Rt△ABC中∠C.=90°sinA=则tanB的值为.
已知在Rt△ABC中∠C=90°sinA=则tanB的值为.
如图所示在Rt△ABC中∠C=90°AB=10sinA=求BC的长和tanB的值.
在Rt△ABC中∠C=90°则下列式子成立的是
sinA=sinB
sinA=cosB
tanA=tanB
cosA=tanB
已知在Rt△ABC中∠C.=90°sinA=则tanB的值为
已知在Rt△ABC中∠C=90°sinA=则tanB的值为.
已知在RtABC中∠C=90°sinA=则tanB的值为.
在Rt△ABC中∠C=90°已知cosA=请你求出sinAtanB的值.
已知在Rt△ABC中∠C.=90°sinA=则tanB的值为.
已知在Rt△ABC中∠C=90°sinA=则tanB的值为.
已知在Rt△ABC中∠C=90°sinA=则tanB的值为.
已知在Rt△ABC中∠C=90°sinA=则tanB的值为.
在Rt△ABC中∠C=90°sinA=则tanB的值为.
在Rt△ABC中∠C=90°下列各式中正确的是.
sinA=sinB
tanA=tanB
sinA=cosB
cosA=cosB
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