A) -3x^2/2x-1 is the right answer
Answer:
y-axis
Step-by-step explanation:
Theta = 10
2cos(30) = sqrt(3)
Theta = -10
2cos(-30) = sqrt(3)
Theta = 180 - 10 = 170
2cos(3×170) = -sqrt(3)

The answer is the first one.
Hope this helps. - M
Answer:
Choice A
Step-by-step explanation:
Answer:
r=-45
Step-by-step explanation:
r/5=-9
x 5 x5
________________
r=-45
Hope this helps ∞<3