Mathematics
Senior High
Resolved
なぜこの等式が成り立つのか分かりません
_ ハエューのJJ1 Ce TNC 5この 語の/
COsの(] 一 sin の )
2281mの0半拉還時2
@60S(0王(0の) @080の
MY 三1F Lan 4の 古寺
1
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ありがとうございます！
やっと意味がわかりました！