Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find sin ?.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Express the relationship between a small change in x and the corresponding change in y in the form 
.y = sin(4x2)
A. dy = 8x cos(4x2) dx B. dy = 8 cos(4x2) dx C. dy = -8 cos(4x2) dx D. dy = -8x cos(4x2) dx
Mathematics
Solve the problem.How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 10 members? Assume that no member can hold more than one office.
A. 210 B. 24 C. 5040 D. 40
Mathematics
Use elimination to determine whether the system of equations has no solutions, one solution, or infinitely many solutions.4x + 5y = 1016x + 20y = 40
A. Infinitely many B. One C. No solutions
Mathematics
Graph the linear inequality in two variables.x ? 5
A. 
B. 
C. 
D. 
Mathematics