Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.sin ? = 
Find tan ?.
A. 
B. 
C. 
D. 2
Answer: B
Mathematics
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Graph the system of inequalities.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The capacitance of a capacitor is 180 ?F for f = 160 Hz. What is the reactance?
A. 90,477.8 ? B. 180,955.7 ? C. 180 ? D. 34.7 ?
Mathematics
Identify the curve represented by the equation.x(x + 6y) = 5x2 + 6xy - 5y2 - 4
A. Ellipse B. Hyperbola C. Circle D. None of these
Mathematics
Complete the ordered pairs for the given linear equation. Then plot the points and graph the equation by connecting the points.y = 4x + 5(0,
), (1,
), (-1,
)
A. (0, 5), (1, 1), (-1, 9)
B. (0, 5), (1, 9), (-1, 1)
C. (0, -5), (1, -1), (-1, -9)
D. (0, 0), (1, 5), (-1, -5)
Mathematics