SOLUTION: (0, −9) Find two sets of polar coordinates for the point for 0 ≤ 𝜃 < 2𝜋. (r, 𝜃) = (r, 𝜃) =

Algebra ->  Finance -> SOLUTION: (0, −9) Find two sets of polar coordinates for the point for 0 ≤ 𝜃 < 2𝜋. (r, 𝜃) = (r, 𝜃) =       Log On


   

Question 1177648: (0, −9)
Find two sets of polar coordinates for the point for 0 ≤ 𝜃 < 2𝜋.
(r, 𝜃) =
(r, 𝜃) =
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
(0, −9) 3rd quadrant
 r = sqrt(x^2 + y^2) = sqrt(81) = ± 9
for the point for 0 ≤ 𝜃 < 2𝜋
tan θ = 0/-9 = 0  Look below:  θ is 3π/2  0r    3π/2 - π = π/2 if r < 0
two sets of polar coordinates:
(9, 3π/2)  and (-9, π/2) 
Wish You the Best in your Studies
(cos, sin)  Unit Circle:
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