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Use the Half-Angle Formulas to Find the Exact Value of the Trigonometric

Question 44

Multiple Choice

Use the Half-angle Formulas to find the exact value of the trigonometric function.
- sin⁡5π12\sin \frac { 5 \pi } { 12 }


A) −122+3- \frac { 1 } { 2 } \sqrt { 2 + \sqrt { 3 } }
B) 122−3\frac { 1 } { 2 } \sqrt { 2 - \sqrt { 3 } }
C) 122+3\frac { 1 } { 2 } \sqrt { 2 + \sqrt { 3 } }
D) −122−3- \frac { 1 } { 2 } \sqrt { 2 - \sqrt { 3 } }

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