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lorasvet [3.4K]
3 years ago
15

(−9, 9) (i) find polar coordinates (r, θ) of the point, where r > 0 and 0 ≤ θ < 2π.

Mathematics
1 answer:
Kisachek [45]3 years ago
8 0
Tan ⊕ 9/-9 = -1 so ⊕ = 3π/4

r = √(9^2+(-9)^2) =  12.73

Answer is (12.73, 3π/4)
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