\[\LARGE{y=\sin\theta}\]
動径（緑色）を動かすとグラフが描けます．
\(x\)
\(y\)
\(\rm{O}\)
\(\theta\)
\(y\)
\(\rm{O}\)
\(-\pi\)
\(-\frac{\pi}{2}\)
\(\frac{\pi}{2}\)
\(\pi\)
\(\frac{3}{2}\pi\)
\(2\pi\)
\(1\)
\(1\)
\(-1\)
\(-1\)