a curve is defined by the parametric equations..... x=2sint , y=Cost (a) find the co-ordinates of the point P on the curve for which t= /4 (b) (i) find dy/dx in terms of t (ii) hence find the gradient of a curve at P any help much appreciated
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Originally Posted by decoy808 a curve is defined by the parametric equations..... x=2sint , y=Cost (a) find the co-ordinates of the point P on the curve for which t= /4 (b) (i) find dy/dx in terms of t (ii) hence find the gradient of a curve at P part(a) is basic ... just plug in for t and evaluate x and y part (b) ... , then evaluate for
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