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

question 248

Multiple Choice

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

• A) \(\left\{ \frac { \pi } { 4 } , \frac { 5 \pi } { 4 } \right\}\)
• B) \(\{ 0 \}\)
• C) \(\left\{ 0 , \frac { \pi } { 4 } , \pi , \frac { 5 \pi } { 3 } \right\}\)
• D) \(\left\{ \frac { \pi } { 12 } , \frac { \pi } { 6 } , \frac { 2 \pi } { 3 } , \frac { 7 \pi } { 12 } , \frac { 7 \pi } { 6 } , \frac { 13 \pi } { 12 } , \frac { 5 \pi } { 3 } \right\}\)

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A firm belief in spiritual truths or doctrines, often without need for physical evidence.

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Psychological strategies brought into play by individuals, groups, or even nations to cope with realities and to maintain self-image.

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Defense Mechanism

Psychological strategies employed by individuals, often unconsciously, to protect themselves from anxiety-producing thoughts, feelings, or situations.