Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
sin (tan-1 u)
A. 
B. 
C. 
D. u
Answer: C
Mathematics
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Solve the problem by integration.Find the average value of the function y = sin2 4x over the interval from x = 0 to 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Determine whether 
is a solution of the system 9x + 6y + 9z = 5 6x + 3y - 3z = 14 x - y + 2z = -3.
A. No B. Yes
Mathematics
Solve the inequality and graph the solution set.1 ? 2x + 5 and 4x - 1 < 7
A. 
B. 
C. 
D. 
Mathematics
Factor by grouping.6x2 - 15x + 10x - 25
A. (3x - 5)(2x + 5) B. (3x + 5)(2x - 5) C. (6x - 5)(x + 5) D. (6x + 5)(x - 5)
Mathematics