how to find angles of a triangle

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Elysi Cochin 2018년 3월 3일

댓글: Jan 2018년 3월 5일

If i know the values of (xi,yi), (xj,yj) and (xu,yu)

how to find the angle thetai and thetaj

KALYAN ACHARJYA 2018년 3월 3일

To find the angle, please follow the following attached figure-

Elysi Cochin 2018년 3월 3일

what is |A| and |B|

Jan 2018년 3월 5일

@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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