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Find the Exact Value of the Expression csc⁡840∘\csc 840 ^ { \circ }

Question 169

Multiple Choice

Find the exact value of the expression.
- csc⁡840∘\csc 840 ^ { \circ }


A) 2\sqrt { 2 }
B) −2- 2
C) −33- \frac { \sqrt { 3 } } { 3 }
D) 233\frac { 2 \sqrt { 3 } } { 3 }

Correct Answer:

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