Question

how to find distance between two points in polar coordinate .​

Answer 1

Answer:

Find the length of the line-segment joining the points (4, 10°) and (2√3 ,40°).

Solution:

We know that the length of the line-segment joining the points (r₁, θ₁),and (r₂, θ₂), is

    √[ r₂² + r₁² - 2r₁ r₂ Cos(θ₂ - θ₁)].

Therefore, the length of the line-segment joining the given points

    = √{(4² + (2√3)² - 2 ∙ 4 ∙ 2√(3) Cos(40 ° - 10°)}

    = √(16 + 12 - 16√3 ∙ √3/2)

    = √(28 - 24)

    = √4

    = 2 units.

Answer 2

Answer:

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we have 200 points

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If no

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♥JENNY♥