Solve the Equation for Solutions in the Interval [0, 2 $$\sec \frac { x } { 2 } = \cos \frac { x } { 2 }$$

question 261

Multiple Choice

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

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

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