What is the domain of y=-3cos(x) ?

The domain of y=-3cos(x) is -infinity <x<infinity

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domain of y=-3cos(x)

domain

y = - 3 cos (x)

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

\frac{1}{( x - 3 ) ^{2} - 2 ( x - 3 ) + 1}

\frac{2}{5 x + 2}

f (x) = 5 - 4 x

f (x) = 1 + ln (x - 1)

f (x) = 2 (2^{x})

What is the domain of y=-3cos(x) ?
The domain of y=-3cos(x) is -infinity <x<infinity