Mathematics
Senior High
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想問這題 謝謝
9. 令為坐標平面上y=sinzx 0≤x≤3 内之函數圖形,一水平直線y=k與『交
於四點,由左至右依序為P、Q、R、S。若2PQ=QR,試求k值。(8分)
解
2
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