Choose the One Alternative That Best Completes the Statement or Answers

question 133

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Solve the problem.
-Find $\sin \frac { \theta } { 2 }$ , given that $\cos \theta = \frac { 1 } { 4 }$ and $\theta$ terminates in $0 < \theta < 90 ^ { \circ }$ .

• A) \(\frac { \sqrt { 8 + 2 \sqrt { 15 } } } { 4 }\)
• B) \(\frac { \sqrt { 6 } } { 4 }\)
• C) \(\frac { \sqrt { 8 - 2 \sqrt { 15 } } } { 4 }\)
• D) \(\frac { \sqrt { 10 } } { 4 }\)