How do i find the domain of a given function?

label Algebra
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State with reasons, the domain and range of the function f(x) = cos x??

Oct 20th, 2017

Cos(x) is a function which is defined for all values of x from -infinity to +infinity.

Domain = {x | x is a real number }

Domain = {x| -infinity < x <infinity}

Nov 10th, 2014

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Oct 20th, 2017
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Oct 20th, 2017
Oct 21st, 2017
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