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Senior High
Mathematics
算不出來
Senior High
Mathematics
第三題看不懂
Senior High
Mathematics
請問 為什麼sin2A=sin2B 可以直接推2A=2B或是2A+2B=180 但是cos2A= cos2B 要先化為2cos^2 (A) -1
Senior High
Mathematics
兩題都不會
Senior High
Mathematics
救命呀 怎麼解。
Senior High
Mathematics
要怎麼算呢
Senior High
Mathematics
怎麼解
Senior High
Mathematics
怎麼算
Senior High
Mathematics
怎麼算
Senior High
Mathematics

7,8,17,18,20,24反光看不清楚
很厲害 謝謝你的筆記