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how to find angles of a triangle

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Elysi Cochin
Elysi Cochin 2018-3-3
评论： Jan 2018-3-5
If i know the values of (xi,yi), (xj,yj) and (xu,yu)
how to find the angle thetai and thetaj

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KALYAN ACHARJYA
KALYAN ACHARJYA 2018-3-3
To find the angle, please follow the following attached figure-
  2 个评论
Jan
Jan 2018-3-5
@Elysi: The lengths of A and B. Did you learn something about trigonometry in school? See https://en.wikipedia.org/wiki/Trigonometry

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