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提问人:网友garlic11
发布时间:2022-01-06
[主观题]
sin θ·cos θ·tan θ<0,则θ属于()A.(π/2,π)B.(π,3π/2)C.(-√2π/2,0)D
sin θ·cos θ·tan θ<0,则θ属于()
A.(π/2,π)
B.(π,3π/2)
C.(-√2π/2,0)
D.(-π/2,0)
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查看官方参考答案
sin θ·cos θ·tan θ<0,则θ属于()
A.(π/2,π)
B.(π,3π/2)
C.(-√2π/2,0)
D.(-π/2,0)
A.y=(x+2)2—3
B.y=(x+2)2+3
C.y=(x-2)2—3
D.y=(x-2)2+3
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