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Given points (r1, θ1) and (r2, θ2) in polar coordinates,obtain a general formula for the distance between them. Simplifyit as much as possible using the identity cos2θ + sin2θ = 1.Hint: Write the expressions for the two points in Cartesiancoordinates and substitute into the usual distance formula.

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Given points (r1, θ1) and (r2, θ2) in polar coordinates,
obtain a general formula for the distance between them. Simplify
it as much as possible using the identity cos2θ + sin2θ = 1.
Hint: Write the expressions for the two points in Cartesian
coordinates and substitute into the usual distance formula.

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