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圆ρ=(cosθ+sinθ)的圆心的极坐标是( ) A.(1,) B.(,) C...
圆ρ=
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(cosθ+sinθ)的圆心的极坐标是( )
A.(1,
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)
B.(
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,
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)
C.(
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,
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)
D.(2,
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)
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