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

Question

Quizplus · Accepted Answer

The inverse cosine function, $\cos^{-1}(x)$, gives the angle whose cosine is x. The cosine function, $\cos(x)$, gives the cosine of an angle. So, $\cos(\cos^{-1}(x))$ gives the cosine of the angle whose cosine is x, which is just x.

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

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