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| 1. |
{\operatorname{sin}^{-1}(\operatorname{sin}8)>x^2-6x holds if }}{ (1) }(-\sqrt{1+3π},\sqrt{1+3π})}{ (2) }(3-\sqrt{1+3π},3+\sqrt{1+3π})}{ (3) }(3-\sqrt{1-3π},3+\sqrt{1-3π})}{ (4) }(0,3-\sqrt{1-3π}) |
| Answer» {\operatorname{sin}^{-1}(\operatorname{sin}8)>x^2-6x holds if }}{ (1) }(-\sqrt{1+3π},\sqrt{1+3π})}{ (2) }(3-\sqrt{1+3π},3+\sqrt{1+3π})}{ (3) }(3-\sqrt{1-3π},3+\sqrt{1-3π})}{ (4) }(0,3-\sqrt{1-3π}) | |