Use the half-angle formulas to simplify the given expression.
A. 4 sin 15x
B. 2 sin 15x
C. 
sin 15x
D. 2 cos 15x
Answer: B
Mathematics
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Solve the problem.Consider a fluid with a flow field F = x3y3i + 7z2j + zk. A miniature paddlewheel (idealized) is to be inserted into the flow at the point 
Find a vector describing the orientation of the paddlewheel axis which produces the maximum rotational speed.
What will be an ideal response?
Mathematics
Find the payment necessary to amortize the loan. Round to the nearest cent.$1000, 9% compounded annually,18 annual payments
A. $114.21 B. $117.05 C. $74.26 D. $111.73
Mathematics
Find the unknown length in the right triangle. Simplify the answer if necessary.
A. 9 B. 13 C. 12 D. 14
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Mathematics