Mathematics
Senior High
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想問這題><
2)某人在O點測量到遠處有一物作等速直線運動。開始時該物位置在P點,一分鐘後,
其位置在Q點,且<POQ=90°。再過一分鐘後,該物位置在R點,且<QOR=30°。
【91年數甲】Ans:
請以最簡分數表示tan²(LOPQ) =
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