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已知α是第二象限的角,且,则tanα的值是A.B.-C.D.-
试题详情
已知α是第二象限的角,且
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADoAAAAjCAYAAADFYhl7AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
,则tanα的值是( )
A.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADZSURBVEhL1ZTRDcQgCIadjJ1cx2UYhVGoqLVi
9Q69h2v/xCYqX6EUcPyDngBTYHDAgcr+FHp2zuUFgdvrDFeDDpYXeiwbZC82da/ClksNE6LyRAGU
94/wTRKh1XMv9I4bdgFW359lhIkD+GihZYLRj8+/wpJhFW1M2rnPcCqQUghxnZeSoFogdV3hN57X
9Vb4nhDbSnB6buoJ8GyStAU0bIzZJJGSrc0v5bvSkkRqkuz3czdFRCa4NsgOnFQSB42BHY761/SU
OTbK9mSSXP+/Oy9qPK/rlTDzAYKASBcSwwsPAAAAAElFTkSuQmCC
)
B.-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADZSURBVEhL1ZTRDcQgCIadjJ1cx2UYhVGoqLVi
9Q69h2v/xCYqX6EUcPyDngBTYHDAgcr+FHp2zuUFgdvrDFeDDpYXeiwbZC82da/ClksNE6LyRAGU
94/wTRKh1XMv9I4bdgFW359lhIkD+GihZYLRj8+/wpJhFW1M2rnPcCqQUghxnZeSoFogdV3hN57X
9Vb4nhDbSnB6buoJ8GyStAU0bIzZJJGSrc0v5bvSkkRqkuz3czdFRCa4NsgOnFQSB42BHY761/SU
OTbK9mSSXP+/Oy9qPK/rlTDzAYKASBcSwwsPAAAAAElFTkSuQmCC
)
C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADYSURBVEhL1ZRREoUgCEVdmXtyO26GpbgUnqgZ
mhD2furO0DTVkSshDv/QC+EUPTrnaviIqT3nEmDAIABcaxgCBmj3ihZwwuibXReyB1lqwSDQAh6j
4F+FSaVwwh5uYa14NvhpZgg7e04R/dEcObRfZrAt66vwUZjdKHC5PtQb4NIci27KZ7vvderxCvcP
JpgW7C2We5y+YS3HbNPLEU4AQ6ZyPFl2Fb6IHFozz6LJwg+KHR72X2WEaSheh6EJlgbCLUwVHtyy
mV5hYXrU0TvHaZ9l3tcnYcQf6Md3SkY4rxAAAAAASUVORK5CYII=
)
D.-
相关试题
-
已知tanα>0且sinα+cosα>0,则α的终边在( )
A.第一象限
B.第二象限
C.第三象限
D.第四象限
-
已知向量
与向量
垂直,其中α为第二象限角.
(1)求tanα的值;
(2)在△ABC中,a,b,c分别为∠A,∠B,∠C所对的边,若
,求tan(α+A)的值.
-
已知双曲线x2-y2=a2(a>0)的左、右顶点分别为A、B,双曲线在第一象限的图象上有一点P,∠PAB=α,∠PBA=β,∠APB=γ,则( )
A.tanα+tanβ+tanγ=0
B.tanα+tanβ-tanγ=0
C.tanα+tanβ+2tanγ=0
D.tanα+tanβ-2tanγ=0
-
已知双曲线x2-y2=a2(a>0)的左、右顶点分别为A、B,双曲线在第一象限的图象上有一点P,∠PAB=α,∠PBA=β,∠APB=γ,则( )
A.tanα+tanβ+tanγ=0
B.tanα+tanβ-tanγ=0
C.tanα+tanβ+2tanγ=0
D.tanα+tanβ-2tanγ=0
-
已知α是第二象限的角,且
,则tanα=________.
-
(文科)已知α是第二象限且
,则tanα的值是________.
-
已知α是第二象限的角,且
,则tanα的值是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAD4SURBVEhLxVWLDYUwCGSy7sQ6XYZROgrKq0Vo
6wt+kr7EvCgeB5Q7gV/84AWWPwKXzAkS59LVQsgAUK+U2YYrs77QgSUh0pGNGCWB3rMtW4IeXIgc
U8nJsZueR/AwTKkwytyDCYEN9n/ZDuz6r5Fg2YVzQm6ja0lDYMLJEUaYZcK2TznWdl+ZfwtyLML+
34IyIF0QjZ/lf7SeDxSykHkcyGxI47NuSe43vbBnLfbKSewCuVVrwrhykl0KqNZTnSQuyVKckzzX
c+ciYT2rQKY9VwsdDHBwkr3nZLw5ZAYtySr3FB+bHdWFk5xfkiqMbl5ffejui2oh8waCgEgX6/zu
3QAAAABJRU5ErkJggg==
)
B.-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAD4SURBVEhLxVWLDYUwCGSy7sQ6XYZROgrKq0Vo
6wt+kr7EvCgeB5Q7gV/84AWWPwKXzAkS59LVQsgAUK+U2YYrs77QgSUh0pGNGCWB3rMtW4IeXIgc
U8nJsZueR/AwTKkwytyDCYEN9n/ZDuz6r5Fg2YVzQm6ja0lDYMLJEUaYZcK2TznWdl+ZfwtyLML+
34IyIF0QjZ/lf7SeDxSykHkcyGxI47NuSe43vbBnLfbKSewCuVVrwrhykl0KqNZTnSQuyVKckzzX
c+ciYT2rQKY9VwsdDHBwkr3nZLw5ZAYtySr3FB+bHdWFk5xfkiqMbl5ffejui2oh8waCgEgX6/zu
3QAAAABJRU5ErkJggg==
)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADnSURBVEhL1ZXtDcQgCIaZzJ1Yx2UYxVE40TuL
Hyh3zf1oE9Ok7YPwCm+Bb1xwg+X/wCkGBoC6QuS0SNHYmRgNQMdYw4SMdFZjASeO4Z0uIO9ibAUj
lCCB46rgnNhR7SKcUcMR5py4JZ4P/nVnwm9qTpHDpznyfXdkjrTt834q3CZHieR5Jko8teZ2iqU5
Ft2UZ9tylFpz+2CAJWBrsTwgIqpqOSWYvOzhRNR5VxlPZU9beGpMydC78wiLs+hB8e/c1V/DOmEx
xdkMXbBlCEdYFO4MQXl6hQ33qNY7riv9xw/G+b82ffEC6Md3Sj5lgP0AAAAASUVORK5CYII=
)
D.-
-
已知α是第二象限的角,且
,则tanα的值是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADZSURBVEhL1ZTRDcQgCIadjJ1cx2UYhVGoqLVi
9Q69h2v/xCYqX6EUcPyDngBTYHDAgcr+FHp2zuUFgdvrDFeDDpYXeiwbZC82da/ClksNE6LyRAGU
94/wTRKh1XMv9I4bdgFW359lhIkD+GihZYLRj8+/wpJhFW1M2rnPcCqQUghxnZeSoFogdV3hN57X
9Vb4nhDbSnB6buoJ8GyStAU0bIzZJJGSrc0v5bvSkkRqkuz3czdFRCa4NsgOnFQSB42BHY761/SU
OTbK9mSSXP+/Oy9qPK/rlTDzAYKASBcSwwsPAAAAAElFTkSuQmCC
)
B.-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADZSURBVEhL1ZTRDcQgCIadjJ1cx2UYhVGoqLVi
9Q69h2v/xCYqX6EUcPyDngBTYHDAgcr+FHp2zuUFgdvrDFeDDpYXeiwbZC82da/ClksNE6LyRAGU
94/wTRKh1XMv9I4bdgFW359lhIkD+GihZYLRj8+/wpJhFW1M2rnPcCqQUghxnZeSoFogdV3hN57X
9Vb4nhDbSnB6buoJ8GyStAU0bIzZJJGSrc0v5bvSkkRqkuz3czdFRCa4NsgOnFQSB42BHY761/SU
OTbK9mSSXP+/Oy9qPK/rlTDzAYKASBcSwwsPAAAAAElFTkSuQmCC
)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADYSURBVEhL1ZRREoUgCEVdmXtyO26GpbgUnqgZ
mhD2furO0DTVkSshDv/QC+EUPTrnaviIqT3nEmDAIABcaxgCBmj3ihZwwuibXReyB1lqwSDQAh6j
4F+FSaVwwh5uYa14NvhpZgg7e04R/dEcObRfZrAt66vwUZjdKHC5PtQb4NIci27KZ7vvderxCvcP
JpgW7C2We5y+YS3HbNPLEU4AQ6ZyPFl2Fb6IHFozz6LJwg+KHR72X2WEaSheh6EJlgbCLUwVHtyy
mV5hYXrU0TvHaZ9l3tcnYcQf6Md3SkY4rxAAAAAASUVORK5CYII=
)
D.-
-
已知α是第三象限的角,且tanα=2,则sin(α+
)=( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAkCAYAAABxE+FXAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFUSURBVFhH7VdJEoMgEJx3ceA53vkJZx7C1Yfk
wFMmgBoRx4gwxmxWpSoWCU33NEwDWPEAALZ+AixUYEdgjqdqlj/4QnpnUIJE4/KCODRy9Ig0mA7z
yN6r0YBr8F4BynFFzkgE1T9WxwMep+tR5cyjGsqPTE/4zfx+LnhQZCH1UIKJ/KnguczoK/5B4LYb
zdTNRiEPGaLmrbJbayOoFoBC3+J3+pApMFxmwPKaRwUG9sXgYQ9kW23adofP9s7LHdivwCOjudkk
W9ljJIfMcuBYY7lpgSD0dY0lsP+OxhIMsRkMshpx9PB0jl23tyaWrf8fdvvLmXMDHpL9PcErkktO
ZNdwJPPK5MIDvpVcVmmGaDbJCuqYb4HvtNBTmcfkQsSmtJMxuX0t6aXgvnk/DYynyo5kVKYuEsMy
eA1HJJf0ksDDvDS5ZNcjHnCmM7dB9vYV/C74Hexjt+434yMXAAAAAElFTkSuQmCC
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAkCAYAAABixKGjAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFISURBVEhL5VbBEYQgDExdPijHP534phC+FnIP
S8lBxAND9EDwfBwzzijgZlnCBkChAQC2Ph4WjsCl/tq+fwBfDCpQaBYuzoJGhT1SBtPhMllmHTY4
B581oAoRF6MQ9PyJXgZO02fUnDmtRruRrfk58bsN3K9oJ8Uq0Ua+CZzLgE7xH4LbMWzWGDfCndC8
CZp/k8VaSzjTADhML3r3R78InG8o+44otIKVfTG4zyGWiltaZt4yOsaefQZOjKKZJansMJJDtB/Y
G9drGhCG6YB5rW0JrujZy7J0AD/WvBN4PYz8h1OgvepIGFm29GK84Yje0ivIQ+AXKg9fscz8YuUp
A6dZggtmfdKcGOJE83qLbWJOlUcoa6kTpgGqmN8K7sz7tCA3yYLiVUK6KK1hqmShHDq5BJUxL608
7PpWBt7JXB7ylg7sb2X+Br+jUbqJq/rVAAAAAElFTkSuQmCC
)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACYAAAAkCAYAAADl9UilAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGqSURBVFhH7ZhN0oMgDIY5lwuO456buPYgbj1I
FxwlhQiKGH6K4Wvna53pjJYfn7wJISiA+RJCwN2fRRLMXAjFcfHMEpD8wFCMVR1xo9asp0jF9AxS
SJh1PFTDLF1MyhnC5gpXrqB2GHNvYijHdgHbjbqCrUqAdLR6liCCictgWp8ssZO9BLZJbgyKwFBF
ZVr8Zfscz2WwQP3YKsqndPATYFbJk/s2t3qjK8GCWGiJMUKxq5FNYE4blP+IizuK8YIZktOEy+hW
67gz/rErA21sbDh3LsuCDdMgYJgeeF8NFgd/9FwZYx7MxgGRj1C5TbVqMEyP53ThUwfOk82W3nX7
xkwlyW2G0fSxql3AXFz6jf28dtKLqghWAvftj2kAMUyfuYlb1f7/Jm4DMFnYFZJprZtb+hVj7G41
2jK+alW2WMsxpqgYx0ta5vgCsIYqNackj2KNVWp/MHwDUQxe/qP60Hg8iqXAClXq2xTD2o0on8Mq
IgXXVbGPBcPzaObA8TZXmjqcOKKla7oQtKsrca1mDrX9FautUqPPAP3BWjbDwhhGV/LS/cBe1fMJ
0PJdH4FgIxEAAAAASUVORK5CYII=
)
D.
-
已知α是第三象限的角,且tanα=2,则sin(α+
)=( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAkCAYAAABxE+FXAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFUSURBVFhH7VdJEoMgEJx3ceA53vkJZx7C1Yfk
wFMmgBoRx4gwxmxWpSoWCU33NEwDWPEAALZ+AixUYEdgjqdqlj/4QnpnUIJE4/KCODRy9Ig0mA7z
yN6r0YBr8F4BynFFzkgE1T9WxwMep+tR5cyjGsqPTE/4zfx+LnhQZCH1UIKJ/KnguczoK/5B4LYb
zdTNRiEPGaLmrbJbayOoFoBC3+J3+pApMFxmwPKaRwUG9sXgYQ9kW23adofP9s7LHdivwCOjudkk
W9ljJIfMcuBYY7lpgSD0dY0lsP+OxhIMsRkMshpx9PB0jl23tyaWrf8fdvvLmXMDHpL9PcErkktO
ZNdwJPPK5MIDvpVcVmmGaDbJCuqYb4HvtNBTmcfkQsSmtJMxuX0t6aXgvnk/DYynyo5kVKYuEsMy
eA1HJJf0ksDDvDS5ZNcjHnCmM7dB9vYV/C74Hexjt+434yMXAAAAAElFTkSuQmCC
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAkCAYAAABixKGjAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFISURBVEhL5VbBEYQgDExdPijHP534phC+FnIP
S8lBxAND9EDwfBwzzijgZlnCBkChAQC2Ph4WjsCl/tq+fwBfDCpQaBYuzoJGhT1SBtPhMllmHTY4
B581oAoRF6MQ9PyJXgZO02fUnDmtRruRrfk58bsN3K9oJ8Uq0Ua+CZzLgE7xH4LbMWzWGDfCndC8
CZp/k8VaSzjTADhML3r3R78InG8o+44otIKVfTG4zyGWiltaZt4yOsaefQZOjKKZJansMJJDtB/Y
G9drGhCG6YB5rW0JrujZy7J0AD/WvBN4PYz8h1OgvepIGFm29GK84Yje0ivIQ+AXKg9fscz8YuUp
A6dZggtmfdKcGOJE83qLbWJOlUcoa6kTpgGqmN8K7sz7tCA3yYLiVUK6KK1hqmShHDq5BJUxL608
7PpWBt7JXB7ylg7sb2X+Br+jUbqJq/rVAAAAAElFTkSuQmCC
)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACYAAAAkCAYAAADl9UilAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.