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Maths Edexcel Gradient Help

4xsin(x) = piy^2 + 2x at (pi/2,1)

i keep getting the gradient of the normal as -pi :frown:

please can you help x
Original post by MediumFanta
4xsin(x) = piy^2 + 2x at (pi/2,1)

i keep getting the gradient of the normal as -pi :frown:

please can you help x


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