Answer :

Simplify the expression.

[tex]\begin{gathered} F(x)=\cos (\frac{1}{2}x-\frac{3\pi}{2}) \\ =\cos (\frac{3\pi}{2}-\frac{1}{2}x) \\ =-\sin (\frac{x}{2}) \end{gathered}[/tex]

Plot the function -sin (x /2).

So correct option is Option D.

${teks-lihat-gambar} KolbieV651530

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