If vector a+ vector b=vector c & |vector a|=3|,vector b|=4 ,|vector c|=5.then find between vector a and vector b

Question

Arun · Answer

Let the angle b/w them be Q. Using formula, |c| 2 = |a| 2 + |b| 2 + 2|a||b|cosQ we get:- 5 2 = 3 2 + 4 2 + 2*4*3*cosQ 0 = 24cosQ therefore, cosQ = 0 = cos90 thus, Q = 90 degrees Hope it helps

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If vector a+ vector b=vector c & |vector a|=3|,vector b|=4 ,|vector c|=5.then find between vector a and vector b

If vector a+ vector b=vector c & |vector a|=3|,vector b|=4 ,|vector c|=5.then find between vector a and vector b

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