Q48 of 96 Page 12

If x = 3 cot t – 2 cos3 t, y = 3 sin t – 2 sin3 t, find .

Formula: –









given: –


x = 3 cot t – 2 cos3 t, y = 3 sin t – 2 sin3 t


differentiating both w.r.t t




And


differentiating both w.r.t t



Now,





= cot t


differentiating both w.r.t x



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