What is the domain of sin(x)+cos(x) ?

The domain of sin(x)+cos(x) is -infinity <x<infinity

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domain of sin(x)+cos(x)

domain

sin (x) + cos (x)

- \infty < x < \infty

Solution steps

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

- \infty < x < \infty

f (x) = \frac{1}{2} ∣ x ∣

f (x) = \frac{1}{x + 10}

y = \frac{x}{x - 1}

f (x) = - 2 x (x - 1) (x - 8)

f (x) = x^{2} + 8 x + 3

What is the domain of sin(x)+cos(x) ?
The domain of sin(x)+cos(x) is -infinity <x<infinity