Write the following in terms of cos ? only.
?
sin ?
What will be an ideal response?
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Find the asymptotes of the hyperbola.6x2 - y2 - 60x + 4y - 148 = 0
A. y - 2 = 6(x - 5), y - 2 = -6(x - 5)
B. y - 2 = 
(x - 5), y - 2 = -
(x - 5)
C. y - 2 = 
(x - 5), y - 2 = - 
(x - 5)
D. y - 5 = 
(x - 2), y - 5 = -
(x - 2)
Replace the polar equation with an equivalent Cartesian equation.r2 = 40r cos ? - 6r sin ? - 9
A. (x - 20)2 + (y + 3)2 = 400 B. (x + 40)2 + (y - 6)2 = 9 C. 40x - 6y = 9 D. (x - 20)2 + (y + 3)2 = 9
Solve the problem by using two equations with two variables.Dmitri needs 5 liters of a 34% solution of sulfuric acid for a research project in molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the 40% solution and the other an unlimited supply of the 30% solution. How many liters of each solution should Dmitri use?
A. 40% solution: 2.5 liters; 30% solution: 2.5 liters B. 40% solution: 3 liters; 30% solution: 2 liters C. 40% solution: 1.5 liters; 30% solution: 3.5 liters D. 40% solution: 2 liters; 30% solution: 3 liters
Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -3, -2, 3; degree 3
A. f(x) = x3 - 2x2 + 9x - 18 B. f(x) = x3 + 2x2 + 9x + 18 C. f(x) = x3 - 2x2 - 9x + 18 D. f(x) = x3 + 2x2 - 9x - 18