Find the exact value of the indicated trigonometric function of ?.cos ? = , tan ? < 0Find sin ?.

A. - 
B. - 
C. - 
D. -


Answer: B

Mathematics

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Solve the problem.From 6 reggae CDs, 7 hip hop CDs, and 5 CDs of Cuban salsa music, in how many ways can George select 2 reggae CDs, 3 hip hop CDs, and 4 Cuban salsa CDs and arrange them on a shelf?

A. 952,560,000 B. 756,000 C. 105,840,000 D. 2625

Mathematics

List all the elements of B that belong to the specified set.B = Integers

A. 4, 0, 
B. 4, 0
C. 4, -2, 0
D. 4, -2, 0, 

Mathematics

Solve the system of nonlinear equations using the method you prefer.y2 + 2x2 = 13y2 - x2 = 1

A. (2, ), (-2, )
B. (2, -), (2, )
C. (3, ), (3, -), (-3, ), (-3, -)
D. (2, ), (2, -), (-2, ), (-2, -)

Mathematics

Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.3, 5, 8,12, ...

A. Geometric; r = 3 B. Geometric; r = 9 C. Arithmetic; d = 3 D. Neither

Mathematics