Mathematics
Senior High
Resolved

なんでこの式の変形ができたのかわかりません。

3 cos 0-√3 sin 0-2 ( cose - ✓ sino) 2 =2 cos(0+/+) 3

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✨ Best Answer ✨

加法定理より変形可能🙇

理解できました!ありがとうございます!!

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