Question

considere a função h(x)= 1-2 sen (x/2). esboce o gráfico da função y=h(x).

Answer 1

$h(x)=1-2.\sin(\frac{x}{2})\\\\ dom(h)=\{x\in(-\frac{\pi}{2},\frac{\pi}{2})|x\in \mathbb{R}\}\\\\h:(-\frac{\pi}{2},\frac{\pi}{2})\longmapsto\mathbb{R}$