Question 1111487
Convert the polar equation to rectangular coordinates. (Use variables x and y as needed.)
cos(2θ)=−1
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cos^2(t)-sin^2(t) = -1
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Note:: cos(t) = x/r ; sin(t) = y/r
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(x/r)^2 - (y/r)^2 = -1
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x^2 - y^2 = -r^2
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Cheers,
Stan H.
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