What code what should I input in the slope, y tangent and y normal? I am currently stuck and tried some codes but it still has an error as seen in the second photo..
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![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1142935/image.png)
(~Second Photo~ Ps. I got some answers and values but it is still wrong.)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1142940/image.png)
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Walter Roberson
el 2 de Oct. de 2022
https://www.mathworks.com/matlabcentral/answers/1816015-can-someone-help-how-to-calculate-the-slope-tangent-line-and-normal-line-i-m-lost-on-how-i-should#answer_1065115
is tangent line is a line, and needs to be expressed in the form y = m*x+b for some numeric m, some numeric b, and symbolic x
You already calculated m and I pointed out earlier how to calculate b.
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Walter Roberson
el 3 de Oct. de 2022
ynormal should also be of the form y=m*x+b, but with a slope that is calculated to be perpendicular to ytangent.
You should not be hardcoding m or the intercept for ytangent or the slope for ynormal.
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