If Œ± is the angle between the polar ray and the tangent at the poin – McqOptions

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1.	If Œ± is the angle between the polar ray and the tangent at the point of commencement of a lemniscate curve, the equation of the curve, is
A.	l = ksin Œ±
B.	l = ksin 2Œ±
C.	l = ksin 3Œ±
D.	l = ktan 2Œ±
Answer» B. l = ksin 2Œ±

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