Mathematics
Senior High
答えしかないのでわかりやすく解説つきでおしえてくたさい。
ー __ ーーーーー一召式を解
<なのとき, 次の 式を解け。
Q①) 2cos*9+3sinの=0
⑦ 2sin79 一3cos9 3=0
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