Physics, asked by injam1, 1 year ago

If A = B + C and the magnitudes of A, B and
care 5, 4 and 3 units, the angle between A and C

Answers

Answered by ghanshyamkumar51

1

Answer:

25=16+9+2×4×3cos©

cos©=0

so, ©=90°

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