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Two vectors A and B have equal magnitudes. Ifmagnitude of (A+B) is equal to n times of themagnitudes of (A-B) then the angle between Aand B is :-(2) cos" (n-1)(4) sin -1)(1) cos" (n-1)(3) sin(n-)COS(1) COn+1)2n' +1n+1

Answer» Two vectors A and B have equal magnitudes. Ifmagnitude of (A+B) is equal to n times of themagnitudes of (A-B) then the angle between Aand B is :-(2) cos" (n-1)(4) sin -1)(1) cos" (n-1)(3) sin(n-)COS(1) COn+1)2n' +1n+1


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