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Clearnote
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Senior High
Mathematics
求解!!
Mathematics
Senior High
about 2 yearsago
zeromoon
求解!!
3. 平面有一單位圓O如圖(1)所示,O為圓心,線段 PB 切圓於 B;已知∠POB=0,若 ∠ OPB 之角平分線交 OB於 4,則下列哪一個選項能表示線段 OA ? 2012 12/1/20 (1) (2) (3) (4) (5) 1-sin 0 cos A 1+ cos 0 sin e 1+ sin 0 1+ cos 0 P 3 B 圖(1)
高中數學
學測複習考
三角函數
學測
Answers
Ian
about 2 yearsago
如圖
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