Mathematics
Senior High
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A.B.cを求める式の途中式を教えてほしいです。

1 1 I 応用 244 △ABCにおいて,a=√6, b=3+√3,C=45°のとき,残りの辺 の長さと角の大きさを求めよ。
三角比 余弦定理

Answers

✨ Best Answer ✨

c^2=a^2+b^2-2ab cosc
=6+9+3+6√3-6√3-6
=12
=2×2×3
c=2√3

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