Mathematics
SMA

正弦、餘弦值不能通分嗎?
向鉛筆跡那樣先通分,提出sincos後,再跟分母約分的話沒有辦法得到答案嗎?

sin3A cos30 cos A sino Ans ang sinh cong cone inng wang 4 wong. Boge hing one :13.4o.no%) 14 wy ug .3) = 6.4 DV sin? g boyf, vyng ng . 1 = binto woyrg
三角函數

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