Solve the Following Equation $\cos 2 x ( 4 \cos x + 2 ) = 0$

question 257

Multiple Choice

Solve the following equation. $\cos 2 x ( 4 \cos x + 2 ) = 0$

• A) \(\frac { 4 \pi } { 3 } + n \pi , \frac { 2 \pi } { 3 } + n \pi , \frac { 4 \pi } { 3 } + 2 n \pi\)
• B) \(\frac { \pi } { 4 } + \frac { n \pi } { 2 } , \frac { 2 \pi } { 3 } + 2 n \pi , \frac { 4 \pi } { 3 } + 2 n \pi\)
• C) \(\frac { \pi } { 3 } + n \pi , \frac { \pi } { 3 } + n \pi\)
• D) \(\frac { \pi } { 2 } + n \pi , \frac { 2 \pi } { 5 } + n \pi\)
• E) \(\frac { 2 \pi } { 3 } + n \pi , \frac { 2 \pi } { 3 } + n \pi\)

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Definitions:

Membranous Labyrinth

A complex system of fluid-filled tubes and sacs found within the inner ear, essential for hearing and balance.

Ossicles

Small bones located in the middle ear that include the malleus, incus, and stapes, important for the transmission of sound.

Binocular Vision

The ability to focus on an object with both eyes, creating a single three-dimensional image.

Depth Perception

The ability to perceive the world in three dimensions and to judge the distance of objects accurately.