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Choose the One Alternative That Best Completes the Statement or Answers

question 30

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Find the exact value of the expression. Do not use a calculator.
- csc⁡265∘−tan⁡225∘\csc ^ { 2 } 65 ^ { \circ } - \tan ^ { 2 } 25 ^ { \circ }

Definitions:

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