What is the domain of y = cos θ?

A. [-1, 1]

B. [0, infinity]

C. All real numbers

D. 2pi,

Question

Mathematics

Mercedes Mckenzie

5 May, 18:50

What is the domain of y = cos θ?

A. [-1, 1]

B. [0, infinity]

C. All real numbers

D. 2pi,

+4

Answers (1)

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Clifford · Answer 1

The domain of y = cos θ is all real numbers. This is because any real number can be plugged in for θ and y will be equal to a real number. This can be shown graphically because the y = cos θ will go on infinitely both to the right and left.

What is the domain of y = cos θ?A. [-1, 1]B. [0, infinity]C. All real numbersD. 2pi,

What is the domain of y = cos θ?

A. [-1, 1]

B. [0, infinity]

C. All real numbers

D. 2pi,