Use a half-angle formula to find the exact value of the expression.sin 

A.
B. - 
C. - 
D.


Answer: A

Mathematics

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Use the information below to determine the indicated set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}(A ? B)'

A. {2, 4, 6, 7, 8, 9, 10, 11} B. {1, 3, 5} C. {1, 3, 5, 12} D. {1, 2, 3, 4, 5, 6, 7, 9, 11, 12}

Mathematics

Find the assessed valuation for the property.Fair market value:$147,000Rate of assessment:59%

A. $86,730 B. $43,365 C. $867,300 D. $60,270

Mathematics

Find the volume of the specified cone. Use 3.14 for ?, and round your answer to the nearest whole number.Diameter = 5 cm, Height = 9 cm

A. 236 cu. cm B. 59 cu. cm C. 353 cu. cm D. 94 cu. cm

Mathematics

Factor.r2 + 2r + 1

A. (r + 1)(r - 1) B. (r + 2)(r - 2) C. (r + 1)2 D. (r - 1)2

Mathematics