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lim_(x rarr pi)cos(x)=?
Choose 1 answer:
(A) -1
(B) 0
(c) 1
(D) The limit doesn't exist.

$\lim _{x \rightarrow \pi} \cos (x)=?$ $\newline$ Choose $1$ answer: $\newline$ (A) $-1$ $\newline$ (B) $0$ $\newline$ (C) $1$ $\newline$ (D) The limit doesn't exist.

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Is (x, y) a solution to the system of equations?

Full solution

Q.

\lim _{x \rightarrow \pi} \cos (x)=?

\newline

Choose

1

answer:

\newline

(A)

-1

\newline

(B)

0

\newline

(C)

1

\newline

(D) The limit doesn't exist.

Substitution of $x$ : To find the limit of $\cos(x)$ as $x$ approaches $\pi$ , we can directly substitute $x$ with $\pi$ in the function $\cos(x)$ , since cosine is a continuous function.
Evaluation of $\cos(\pi)$ : Substituting $x$ with $\pi$ , we get $\cos(\pi)$ .
Limit of $\cos(x)$ as $x$ approaches $\pi$ : The value of $\cos(\pi)$ is $-1$ , as it is a well-known trigonometric value.
Limit of $\cos(x)$ as $x$ approaches $\pi$ : The value of $\cos(\pi)$ is $-1$ , as it is a well-known trigonometric value. Therefore, the limit of $\cos(x)$ as $x$ approaches $\pi$ is $-1$ .

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