Express the given quantity in terms of sin x or cos x.cos (6? - x)
A. cos x + sin x
B. -cos x
C. cos x
D. cos x - sin x
Answer: C
Mathematics
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Use the square root property to solve the quadratic equation.(2m - 3)2 = 121
A. 4, -7 B. 14, -8 C. 7, -4 D. 8, -14
Mathematics
Eliminate the parameter to obtain a Cartesian equation of the curve.x = et, y = e2t, -? < t < ?
A. x = ln y B. y = ln x C. y = x2 D. y = 2x
Mathematics
Reduce the rational expression to lowest terms.
A. 
B. x - 5
C. x + 5
D. 
Mathematics
Evaluate the square root without using a calculator.
?
?
A. -0.0049 B. -0.07 C. 0.07 D. -7 E. -0.7
Mathematics