Provide an appropriate response.
-True or false? The statement $\cos ^ { - 1 } ( \cos x ) = x$ for all real numbers in the interval $- 1 \leq x \leq 1$.

Name: Provide an appropriate response. -True or false? The statement $\cos ^ { - 1 } ( \cos x ) = x$ for all real numbers in the interval $- 1 \leq x \leq 1$.
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Question

Quizplus · Accepted Answer

The inverse cosine function is defined only for values in the interval $[-1, 1]$. So, the statement is true only for values of $x$ in the interval $[-1, 1]$.

Provide an Appropriate Response cos⁡−1(cos⁡x)=x\cos ^ { - 1 } ( \cos x ) = xcos−1(cosx)=x

Provide an Appropriate Response $\cos ^ { - 1 } ( \cos x ) = x$