Let f (x) = cos-1x. Then the domain of f (x) is [-1,1] and the range is all real numbers.

true or false?

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Mathematics

Guest

12 October, 17:28

Let f (x) = cos-1x. Then the domain of f (x) is [-1,1] and the range is all real numbers.

true or false?

+1

Answers (1)

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Hailie Sharp · Answer 1

This is the concept of geometry, the function given by f (x) = cos^x

can be written as cos y=x

The domain if the function is [-1,1] and the range is given by [0,π] where π=180°

Let f (x) = cos-1x. Then the domain of f (x) is [-1,1] and the range is all real numbers.true or false?

Let f (x) = cos-1x. Then the domain of f (x) is [-1,1] and the range is all real numbers.

true or false?