Use the Half-Angle Formulas to Simplify the Expression $$- \sqrt { \frac { 1 - \cos ( x - 3 ) } { 2 } }$$

question 10

Multiple Choice

Use the half-angle formulas to simplify the expression.​ $$- \sqrt { \frac { 1 - \cos ( x - 3 ) } { 2 } }$$ ​

• A)​ \(- \left| \sin \left( \frac { x - 3 } { 2 } \right) \right|\)
• B)​ \(- \left| \sin ^ { - 1 } \left( \frac { x + 3 } { 2 } \right) \right|\)
• C)​ \(- | \sin ( x - 3 ) |\)
• D)​ \(- \left| \sin ^ { - 1 } \left( \frac { x - 3 } { 2 } \right) \right|\)
• E)​ \(- \left| \sin \left( \frac { x + 3 } { 2 } \right) \right|\)

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