Solve the Problem $x , 0 \leq x \leq 2 \pi$

question 326

Multiple Choice

Solve the problem.
-For what numbers $x , 0 \leq x \leq 2 \pi$ , does $\cos x = - 1$ ?

• A) \(\frac { \pi } { 2 } , \frac { 3 \pi } { 2 }\)
• B) \(\frac { \pi } { 2 }\)
• C) \(\pi\)
• D) none

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Definitions:

Involuntary Control

The regulation of bodily functions not consciously controlled, such as the heartbeat and digestion, governed by the autonomic nervous system.

Voluntary Control

The ability to consciously regulate bodily movements or actions through the nervous system.

Epiglottis

A flap of cartilage at the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe.

Uvula

A small fleshy extension at the back of the soft palate which hangs above the throat and plays a role in speech and swallowing.