Solve the problem.Find all points on the curve y = cos x, 0 ? x ? 2?, where the tangent line is parallel to the line 
A. 
B. (?, - 1)
C. (2?, 1)
D. 
Answer: D
Mathematics
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Solve the triangle.a = 9, b = 6, c = 4
A. A = 32.1°, B = 127.2°, C = 20.7° B. A = 127.2°, B = 32.1°, C = 20.7° C. A = 127.2°, B = 20.7°, C = 32.1° D. A = 32.1°, B = 20.7°, C = 127.2°
Mathematics
Solve the problem.A coffee can comes packed with enough ground coffee to make 84 cups of coffee. After 53 cups have been made, how many cups of coffee can be made with the remaining ground coffee?
A. 21 cups B. 127 cups C. 137 cups D. 31 cups
Mathematics
Provide an appropriate response.The primary means of making money as a bond owner is through the interest.
A. True B. False
Mathematics
Find the equation of the parabola determined by the given information.Focus at (4, 0), directrix x = -4
A. 16y = x2
B. y2 = 16x
C. y = 
x2
D. x = 
y2
Mathematics