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Determine the Exact Value Of sin(225)\sin \left( - 225 ^ { \circ } \right)

Question 33

Multiple Choice

Determine the exact value of sin(225) \sin \left( - 225 ^ { \circ } \right) .


A) 22\frac { \sqrt { 2 } } { 2 }
B) 52\frac { \sqrt { 5 } } { 2 }
C) 22- \frac { \sqrt { 2 } } { 2 }
D) 1
E) -1

Correct Answer:

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