Solve the Equation for Solutions in the Interval [0, 2 $$[ 0,2 \pi )$$

question 105

Multiple Choice

Solve the equation for solutions in the interval [0, 2 $$[ 0,2 \pi )$$
- $\cos 2 x = \sqrt { 2 } - \cos 2 x$

• A) \(\varnothing\)
• B) \(\left\{ \frac { \pi } { 8 } , \frac { 9 \pi } { 8 } , \frac { 7 \pi } { 8 } , \frac { 15 \pi } { 8 } \right\}\)
• C) \(\left\{ \frac { \pi } { 4 } , \frac { 3 \pi } { 4 } , \frac { 5 \pi } { 4 } , \frac { 7 \pi } { 4 } \right\}\)
• D) \(\left\{ 0 , \frac { 2 \pi } { 3 } , \pi , \frac { 4 \pi } { 3 } \right\}\)

---

Definitions:

Vertical Fissures

Long, narrow cracks or splits oriented vertically on a surface or structure, often referring to skin or geological formations.

Dehydration

A condition resulting from excessive loss of body water, leading to impaired body functions.

Tonsils

Lymphatic tissue located at the back of the throat, playing a role in the immune response to pathogens entering the body through the mouth or nose.

Identify Odors

The ability to perceive and distinguish different scents or smells, an important aspect of sensory function.