Solve the equation for exact solutions.cos-1 x = sin-1 
A. ?
B. {0}
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Suppose that R ={(x, y): 0 ? x ? 2, 0 ? y ? 5},R1 = {(x, y): 0 ? x ? 2, 0 ? y ? 4}, andR2 = {(x, y): 0 ? x ? 2, 4 ? y ? 5}. Suppose, in addition, that
dA = 5, 
dA = 5, and 
dA = 2.Use the properties of integrals to evaluate 
dA.
A. 16 B. 70 C. 30 D. 11
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 7csc x, y = 7
, 
? x ? 
A. 7?2 - 49? B. 49?2 - 98? C. 49?2 + 98? D. ?2 + 14?
Mathematics
Provide an appropriate response. When solving an equation, when should ± be part of the root?
What will be an ideal response?
Mathematics
Subtract.5436 - 2748
A. 2778 B. 2688 C. 3188 D. 2648
Mathematics