Q20 of 45 Page 1

If x = cost(3 - 2 cos2 t) and y = sin t(3 - 2 sin2 t), find the value of at

Given:

Now differentiate x and y w.r.t ‘t’ (parametric differentiation)





…(1)


Now for y:





…(2)


For obtaining dividing (2) by (1),









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