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已知f(n)=sin,f(1)+f(2)+…+f(2007)=A.B.C.0D.-
试题详情
已知f(n)=sin
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Seua/vRhsokPOsAAU6A3LHgDBv1BVhYLJ0gRgKB8EdkgUwr2PN7Zxn4hZUGsxLJhLHAMEIjfcgrE
Rhj5ns9R7suGQkjFciwFqQ8pKkCLRiPThe0NI4EHwl5HOp43jlAjKmgEFl3TUQ7sfUulh8GRSrqa
5gqy5Nh4QUpKghJdUxCQuseUxA/4XrkKNXyJAoTkzt+lmr06g8CT3bfNztzKd89SnRMi5998Akht
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)
,f(1)+f(2)+…+f(2007)=( )
A.
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5CCrd3BUaj5Kk1ffswqHovpcuW+ma+4wAiTMHhzrRvUt5WpqFT4BvDKYovKwNAUAAAAASUVORK5C
YII=
)
B.
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jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAE0SURBVEhL1ZY9DsMgDIV9LgaOk52bMHMQVg6S
gaO4mNIA5jdROzRSpaiCz88P/BTAzgMAuPOjrTAC9P7vrv0TgFPZE+Uq0RseOFTXpvAeDC4Za4D3
6IuaTt0FFJu9kQj3WyCCRyPT3XgGSDK8QRk8kCY3BWiP5PBxiaVbOHp4G2CtjWu1ABT6jO8zANKR
Fm3kUlHJW8UYQF5ILDqoZ+EI0klFCYiSr+GqNzfDdGqBIPS8BWZO4xapmHqwAixN3AHsZkEqtpc+
vYRqTLxT+bN2fOU2aT8ClAkkTZUHXFirgCaOJRDPgBLSALxzVcV4lScq1h6w6Vu3wFbwDLwHqPzo
n+ukBZp9hW5xH4YAp9rZ77G6AHK+Ct9gJAvjnJ+cSqa1gzNuZX2MTz3YnKX+B8bu5q/kwQut7P6b
b/Nk4wAAAABJRU5ErkJggg==
)
C.0
D.-
相关试题
-
已知f(n)=sin
,f(1)+f(2)+…+f(2007)=( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC0SURBVDhPzZNNDsAQEIXnXBaOY+8m1g5i6yBd
zFFe/bY0pGpViUTEN+/NA2EwiAhLcwaP9p979HOYLWTNQfvL7IJtDy0tOCFhHYpU/h1mLmAW9PoL
3CbqNeib7Vsx3f0OnEqU4KTNCbz3/HgIbCWoBEhwqjxFdV9BsDcdTd/knEvnjCAIc2Q7U5hh5Sjt
5CCrd3BUaj5Kk1ffswqHovpcuW+ma+4wAiTMHhzrRvUt5WpqFT4BvDKYovKwNAUAAAAASUVORK5C
YII=
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAE0SURBVEhL1ZY9DsMgDIV9LgaOk52bMHMQVg6S
gaO4mNIA5jdROzRSpaiCz88P/BTAzgMAuPOjrTAC9P7vrv0TgFPZE+Uq0RseOFTXpvAeDC4Za4D3
6IuaTt0FFJu9kQj3WyCCRyPT3XgGSDK8QRk8kCY3BWiP5PBxiaVbOHp4G2CtjWu1ABT6jO8zANKR
Fm3kUlHJW8UYQF5ILDqoZ+EI0klFCYiSr+GqNzfDdGqBIPS8BWZO4xapmHqwAixN3AHsZkEqtpc+
vYRqTLxT+bN2fOU2aT8ClAkkTZUHXFirgCaOJRDPgBLSALxzVcV4lScq1h6w6Vu3wFbwDLwHqPzo
n+ukBZp9hW5xH4YAp9rZ77G6AHK+Ct9gJAvjnJ+cSqa1gzNuZX2MTz3YnKX+B8bu5q/kwQut7P6b
b/Nk4wAAAABJRU5ErkJggg==
)
C.0
D.-
-
已知f(n)=sin
,f(1)+f(2)+…+f(2007)=( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC0SURBVDhPzZNNDsAQEIXnXBaOY+8m1g5i6yBd
zFFe/bY0pGpViUTEN+/NA2EwiAhLcwaP9p979HOYLWTNQfvL7IJtDy0tOCFhHYpU/h1mLmAW9PoL
3CbqNeib7Vsx3f0OnEqU4KTNCbz3/HgIbCWoBEhwqjxFdV9BsDcdTd/knEvnjCAIc2Q7U5hh5Sjt
5CCrd3BUaj5Kk1ffswqHovpcuW+ma+4wAiTMHhzrRvUt5WpqFT4BvDKYovKwNAUAAAAASUVORK5C
YII=
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAE0SURBVEhL1ZY9DsMgDIV9LgaOk52bMHMQVg6S
gaO4mNIA5jdROzRSpaiCz88P/BTAzgMAuPOjrTAC9P7vrv0TgFPZE+Uq0RseOFTXpvAeDC4Za4D3
6IuaTt0FFJu9kQj3WyCCRyPT3XgGSDK8QRk8kCY3BWiP5PBxiaVbOHp4G2CtjWu1ABT6jO8zANKR
Fm3kUlHJW8UYQF5ILDqoZ+EI0klFCYiSr+GqNzfDdGqBIPS8BWZO4xapmHqwAixN3AHsZkEqtpc+
vYRqTLxT+bN2fOU2aT8ClAkkTZUHXFirgCaOJRDPgBLSALxzVcV4lScq1h6w6Vu3wFbwDLwHqPzo
n+ukBZp9hW5xH4YAp9rZ77G6AHK+Ct9gJAvjnJ+cSqa1gzNuZX2MTz3YnKX+B8bu5q/kwQut7P6b
b/Nk4wAAAABJRU5ErkJggg==
)
C.0
D.-
-
点P(cos2007°,sin2007°)落在第( )象限.
A.一
B.二
C.三
D.四
-
设等差数列{an}的前n项和为Sn,已知(a4-1)3+2007(a4-1)=1,(a2004-1)3+2007(a2004-1)=-1,则下列结论中正确的是( )
A.S2007=2007,a2004<a4
B.S2007=2007,a2004>a4
C.S2007=2008,a2004≤a4
D.S2007=2008,a2004≥a4
-
设等差数列{an}的前n项和为Sn,已知(a4-1)3+2007(a4-1)=1,(a2004-1)3+2007(a2004-1)=-1,则下列结论中正确的是( )
A.S2007=2007,a2004<a4
B.S2007=2007,a2004>a4
C.S2007=2008,a2004≤a4
D.S2007=2008,a2004≥a4
-
设等差数列{an}的前n项和为Sn,已知(a4-1)3+2007(a4-1)=1,(a2004-1)3+2007(a2004-1)=-1,则下列结论中正确的是( )
A.S2007=2007,a2004<a4
B.S2007=2007,a2004>a4
C.S2007=2008,a2004≤a4
D.S2007=2008,a2004≥a4
-
已知等差数列{an}的前n项和为Sn,若
,且A、B、C三点共线(O为该直线外一点),则S2007=( )
A.2007
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB0AAAAjCAYAAABo4wHSAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAWRJREFU
WEftVtERwyAItSu7jps4h1O4BBUVA8YaTC/pR5O7XmtBHu8hhhekx9z9IOjdj7kbMCubQYNDicvH
eogikwjertuCq3sobvp2oQQ2ED1YWkEAh05tjfkYsL6kEb3V2VJMXwEKDCZuoYYBE0MQzHLgxhaT
2JxTCmw9scUo1UJiTMF9TVFqYoq/hdxF6mye2bqDgkRIra2mzAnlJEzJmmQqcs9sElNKuwcV9a01
HDBdAu2k7UAxI5eqJmh/LW8vrQANjh+YCoxZGp4IOzwzW8t7L20DxWxYl+RDsp2lEy1DoANpM+io
iY1gd+5yoL7mp5Zy+eE12PXV1cs/YtreLuxtcOV/w2vw6no+oJ8Vnk4Y+sLoW+ZgwtBD0oyk2DGf
MBQBmIueaR+XTxhrmHUaXNyE7nzCWN1+jmk3YdwAOpgwFlGXmQ4njCtBZxPGCq6a6fGEoYdVg+pD
Hns+oMcafeHxBu2fJMicw2QLAAAAAElFTkSuQmCC
)
C.22007
D.2-2007
-
在等差数列{an}中,已知公差d=2,a2007=2007,则a2009=( )
A.2011
B.2010
C.2009
D.2008
-
设等差数列{an}的前n项和为Sn,已知(a5-1)3+2011(a5-1)=1,(a2007-1)3+2011(a2007-1)=-1,则下列结论正确的是( )
A.S2011=2011,a2007<a5
B.S2011=2011,a2007>a5
C.S2011=-2011,a2007≤a5
D.S2011=-2011,a2007≥a5
-
设等差数列{an}的前n项和为Sn,已知(a5-1)3+2011(a5-1)=1,(a2007-1)3+2011(a2007-1)=-1,则下列结论正确的是( )
A.S2011=2011,a2007<a5
B.S2011=2011,a2007>a5
C.S2011=-2011,a2007≤a5
D.S2011=-2011,a2007≥a5