Find the exact value of the composition.cot-1 
A. - 
B. 
C. 
D. - 
Answer: C
Mathematics
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Find the perimeter.
A. 449 mi B. 373 mi C. 302 mi D. 393 mi
Mathematics
Find the algebraic expression that is equal to cos (180° - ?). ?
A. 
B. -sin ?
C. sin ?
D. -cos ?
E. cos ?
Mathematics
Solve the problem.Elaine and Dan want to install wall-to-wall carpeting in their family room. The floor of the rectangular room is 12
feet long and 12
feet wide. How much will it cost to carpet the room if the carpet costs $14.11 per square yard? (Round your answer to the nearest cent.)
A. $19,624.19 B. $242.27 C. $2180.47 D. $80.76
Mathematics
Simplify.
A. -2.25 B. -10.25 C. 10.25 D. undefined
Mathematics