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Evaluate
- 2cot2270+2sec20csc22252 \cot ^ { 2 } 270 ^ { \circ } + 2 \sec ^ { 2 } 0 ^ { \circ } - \csc ^ { 2 } 225 ^ { \circ }

Question 197

Multiple Choice

Evaluate.
- 2cot2270+2sec20csc22252 \cot ^ { 2 } 270 ^ { \circ } + 2 \sec ^ { 2 } 0 ^ { \circ } - \csc ^ { 2 } 225 ^ { \circ }


A) 0
B) 32\frac { 3 } { 2 }
C) 4
D) 52\frac { 5 } { 2 }

Correct Answer:

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