Find the Exact Value $\operatorname { COS } \frac { 5 \pi } { 12 }$

question 48

Multiple Choice

Find the exact value. $\operatorname { COS } \frac { 5 \pi } { 12 }$

• A) \(\frac { \sqrt { 6 } - \sqrt { 2 } } { 4 }\)
• B) \(\frac { 5 \pi } { 12 }\)
• C) \(\frac { \sqrt { 6 } } { 4 }\)
• D) \(\frac { \sqrt { 3 } } { 2 }\)
• E) none

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