SOLUTION: Find the polar form of the rectangular equation x^2 = 8y
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Question 42415
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Find the polar form of the rectangular equation x^2 = 8y
Answer by
fractalier(6550)
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Since x = r cos(q) and y = r sin(q), we substitute into x^2 = 8y and get
r^2 cos^2 (q) = 8r sin (q)
r cos^2 (q) = 8 sin (q)
r = 8 sec (q) tan (q) ... after dividing by cos^2 (q)...
where q is theta...