已知θ的范围在[0,2π),|cosθ|<|sinθ|,且sinθ<tanθ,则θ的取值范围
A(0,π)U(3π/2,2π)B(0,π/2)U(π,3π/2)C(π/4,π/2)U(5π/4,3π/2)D(π/2,3π/4)U(5π/4,3π/2)请写出具体解题...
A (0,π)U(3π/2 , 2π)
B(0,π/2)U(π ,3π/2)
C(π/4 ,π/2)U(5π/4 ,3π/2)
D(π/2 ,3π/4)U(5π/4 ,3π/2)
请写出具体解题过程,谢谢帮忙了 展开
B(0,π/2)U(π ,3π/2)
C(π/4 ,π/2)U(5π/4 ,3π/2)
D(π/2 ,3π/4)U(5π/4 ,3π/2)
请写出具体解题过程,谢谢帮忙了 展开
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