What is the domain of\&range y=cos(x) ?

The domain of\&range y=cos(x) is Domain:-infinity Range:-1<= f(x)<= 1

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Find the Domain and Range y=cos(x)

domain and range

y = cos (x)

Domain : - \infty < x < \infty

Range : - 1 \leq f (x) \leq 1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 1, 1]

Solution steps

Domain of

cos (x) : - \infty < x < \infty

Range of

cos (x) : - 1 \leq f (x) \leq 1

y = 3 x - 7

15 = - 3 y + 21 x

6 x - 2 y = - 4

4 x - 3 y = 21

y = \frac{- 1}{2}

What is the domain of\&range y=cos(x) ?
The domain of\&range y=cos(x) is Domain:-infinity <x<infinity <br/>Range:-1<= f(x)<= 1