Question

Укажи D(y) функции у=
5 sin (x + 3п/2)
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Answer 1

Ответ:

$y=5\, sin(x+\frac{3\pi}{2})\ \ \ ,\ \ \ \ D(y)=R$

$\star \ \ 5sin(x+\frac{3\pi}{2})=-5\, cosx\ \ \star$