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: A
Mathematics
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Solve the problem.Using the digits 0 through 9, how many 7-digit serial numbers can be made if the the first digit must be a 1, the last digit must be a 0, and no digits may be repeated?
A. 6720 B. 8 C. 56 D. 30,240
Mathematics
Factor.2x7 - 22x6 + 48x5
A. x5(x - 3)(2x - 16) B. x5(2x - 6)(x - 8) C. 2x5(x2 - 11x + 24) D. 2x5(x - 3)(x - 8)
Mathematics
Graph.5x2 - 25y2 = 225
A. 
B. 
C. 
D. 
Mathematics
Identify the square matrix. What is its transpose?
Mathematics