Use the fundamental identities to find the value of the trigonometric function.Find sin ?, given that cos ? =  and tan ? < 0.

A. - 
B. - 
C. - 
D. -


Answer: B

Mathematics

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Find the equilibrium solution of the equation of change . ?

A. ?
B. ?
C. ?
D. ?

Mathematics

Solve the problem. Round to the nearest hundredth.32% of what number is 83?

A. 39.00 B. 0.39 C. 259.38 D. 2593.80

Mathematics

Solve or simplify, whichever is appropriate.54y-2 + 1 + 15y-1

A. (y + 9)(y + 6)
B.
C. {15, -9}
D. {9, 6}

Mathematics

Identify the degree and leading coefficient of the polynomial.f(x) = -8x5 + 7x - 8

A. Degree: -8; leading coefficient: 5 B. Degree: 6; leading coefficient: -8 C. Degree: 7; leading coefficient: -8 D. Degree: 5; leading coefficient: -8

Mathematics