$$\newcommand\CB[1]{\textcolor{blue}{#1}} \newcommand\CR[1]{\textcolor{red}{#1}} \newcommand\CG[1]{\textcolor{magenta}{#1}}$$

余弦定理をシミュレーター

\(\vec{a}\)成分(赤矢印)

x
1.0

y
4.0

\(\vec{b}\)成分(青矢印)

x
4.0

y
2.0

 

\(\boldsymbol{a} \cdot \boldsymbol{b}\)=
\( cosθ \)=
\( θ \)=°