Mathematics
Senior High

これ分かりますか!計算過程とかも教えてくれるとわかりやすいです。明日テストで焦ってます🥲

1 αの動径が第2象限にあり, sina: のとき,次の値を求めよ。 4 練習 21 (1) sin2α Clno (2) cos2a (3) tan2a

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