Mathematics
Senior High
四角で囲ったところの、sin t×cos tが½sin 2tになる理由がわかりません教えてください🥺🙏🙏🙏
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前、 クン8の0の/ 2002D
(ん) SIM 9 | 9夫 ②
0
2
上 (sin7填3ん)cos7 7
0
(sm24 3&cosi]a
7
2
| es2+ Ksin(|
0
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