If 𝒳 = 2 cos t – 2 cos3t, 𝒴 = sin t – 2 sin3t, show that =cot t.
Theorem: y and x are given in a different variable that is t . We can find by finding and and then dividing them to get the required thing.
= cost – 6 sin2t × cost ………..(1)
= -2sint + 6cos2t × sint …………….(2)
Dividing (1) and (2), we get
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