Find the equation to the tangent and the normal to the curve at the point ( ) I keep getting this question wrong, here's my working; using the product rule on sinxsiny Is this part correct?
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Originally Posted by Tweety Find the equation to the tangent and the normal to the curve at the point ( ) I keep getting this question wrong, here's my working; using the product rule on sinxsiny Is this part correct? Yes, it is. Now just note that ... Tonio
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