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Use a Calculator to Give the Real Number Value $\mathrm { y } = \cot ^ { - 1 } ( 2.5181552 )$

Question 354

Multiple Choice

Use a calculator to give the real number value. Round the answer to 7 decimal places.
- $\mathrm { y } = \cot ^ { - 1 } ( 2.5181552 )$

A) $2.1658824$
B) $6.8341176$
C) $1.1927785$
D) $0.3780178$

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