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Use an Identity to Write the Expression as a Single sin⁡22.5∘cos⁡22.5∘\sin 22.5 ^ { \circ } \cos 22.5 ^ { \circ }

Question 488

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- sin⁡22.5∘cos⁡22.5∘\sin 22.5 ^ { \circ } \cos 22.5 ^ { \circ }


A) 22\frac { \sqrt { 2 } } { 2 }
B) 3\sqrt { 3 }
C) 33\frac { \sqrt { 3 } } { 3 }
D) 24\frac { \sqrt { 2 } } { 4 }

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