解一下这道题,用简单易懂的动画形式---**Question Stem:** 求y= (sinx+1)/(cosx-2) 的值域 **Mathematical Formula:** y = (sin(x) + 1) / (cos(x) - 2) **Other Relevant Text:** The characters "求...的值域" (qiú... de zhíyù) mean "Find the range of...".

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