Question

If A+B=C,|A|=|B|=|C|,then the angle between A,B

Answer 1

Let |A| = | B| = |C| = x. Vector addition : A+B = C so |C|² =|A|² + |B|² + 2 |A| * | B| * cos Ф x² = x² + x² + 2 x² cosФ

Answer 2

mark as BRAINLIST answer..