4.64158883
−2.32079442+4.01973384i
−2.32079442−4.01973384i
100 is not a perfect cube so it will never have a whole root
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B which is 0 would be in the range because it is "less than or equal to" 0.
C is also not in the range though. This problem has more than one right answer. C could be a correct answer as well.
Answer:
θ = π n + π/2 for n element Z
Step-by-step explanation:
Solve for θ:
1 + 2 cos(2 θ) + cos^2(2 θ) = 0
Write the left hand side as a square:
(cos(2 θ) + 1)^2 = 0
Take the square root of both sides:
cos(2 θ) + 1 = 0
Subtract 1 from both sides:
cos(2 θ) = -1
Take the inverse cosine of both sides:
2 θ = 2 π n + π for n element Z
Divide both sides by 2:
Answer: θ = π n + π/2 for n element Z
Answer:(lxl)x(wxw)
Step-by-step explanation:
Answer:
x=5
Step-by-step explanation:
