Question: Use reference angles to find the exact value of the following expression. Do not use a calculator. cosecant StartFraction 7 pi Over 4 EndFraction csc

Use reference angles to find the exact value of the following expression. Do not use a calculator.

cosecant StartFraction 7 pi Over 4 EndFractioncsc74

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Part 1

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A.

cosecant StartFraction 7 pi Over 4 EndFractioncsc74equals=enter your response here

(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression. Rationalize the denominator.)

B.

The answer is undefined.

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