Week02 Tutorial 7

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Pranjal Sarkar

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Oct 29, 2020, 9:06:28 AM10/29/20

to Discussion forum for Mathematics for Data Science I

Hi,

I could not understand why after a 360-degree rotation the new line would be a mirror image of the original line.

The new line should have the same equation as the original line.

Please help me out.

Thanks

Pranjal Sarkar

Debajyoti Biswas

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Oct 30, 2020, 1:51:55 AM10/30/20

to Discussion forum for Mathematics for Data Science I, tataisa...@gmail.com

Hi,

It is not making a mirror image. A single line is rotated keeping one end coordinate fixed. (Just like when kids rotate a small stone tied by a rope with one end of the rope holding in hand). Hence it is making a conical structure. I added a diagram. Does this solve the issue?