Simplify the expression.
A. sin x
B. -csc x
C. - sin x
D. csc x
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Solve the quadratic equation by completing the square.x2 + 3x - 9 = 0
A. 
B. 
C. {-3 ± 3
}
D. 
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Find the transpose of the given matrix.
Fill in the blank(s) with the appropriate word(s).
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Use a graphing utility to graph the curve defined by the given parametric equations.x = 3 cos t, y = 2 sin t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
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