Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, csc ? < 0Find cos(2?).
A. 
B. 
C. 
D. - 
Answer: D
Mathematics
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Find the coefficient and degree of the monomial.-18xy
A. coefficient: 2, degree: -18 B. coefficient: 18, degree: 1 C. coefficient: -18, degree: 1 D. coefficient: -18, degree: 2
Mathematics
Solve the problem.The sum of three numbers is 6. The first, minus the second, plus 2 times the third, is -2. The third, plus 2 times the first, plus the second, is 11. What are the numbers?
A. -5, -3, 2 B. 5, 3, -2 C. 5, 5, 3 D. No solution
Mathematics
Solve the system. x + y + z = -6 x - y + 2z = 72x + y + z = -10
A. (-4, 3, -5) B. (-4, -5, 3) C. (3, -5, -4) D. (3, -4, -5)
Mathematics
Evaluate the binomial coefficient.
A. 1 B. 28 C. 56 D. 336
Mathematics