what is the domain of the cosine function?\nchoose the correct answer below.\na. all real numbers\nb. all…

what is the domain of the cosine function?\nchoose the correct answer below.\na. all real numbers\nb. all real numbers except integer multiples of $\frac{pi}{2}$ ($90^{circ}$)\nc. all real numbers except odd multiples of $\frac{pi}{2}$ ($90^{circ}$)\nd. all real numbers except integer multiples of $pi$ ($180^{circ}$)

what is the domain of the cosine function?\nchoose the correct answer below.\na. all real numbers\nb. all real numbers except integer multiples of $\frac{pi}{2}$ ($90^{circ}$)\nc. all real numbers except odd multiples of $\frac{pi}{2}$ ($90^{circ}$)\nd. all real numbers except integer multiples of $pi$ ($180^{circ}$)

Answer

Brief Explanations:

The cosine function, $y = \cos(x)$, is defined for any real - valued input $x$. There are no values of $x$ for which the cosine function is undefined.

Answer:

A. All real numbers