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If the inequality \operatorname{sin^2x+a\operatorname{cosx+a^2>1+\operatorname{cosx holds for any x∈ R, then the largest negative integral value of a is |
| Answer» If the inequality \operatorname{sin^2x+a\operatorname{cosx+a^2>1+\operatorname{cosx holds for any x∈ R, then the largest negative integral value of a is | |