Question

The angle between the vector a=3i+5j and b=6i+4j is  blank  blank . blank  blank 1 2 3 4 5 6 7 8 9 0

Answer 1

Answer:

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Explanation:

As we represent y-axis as y=j and we have a vector A=3i+4j.

Angle between two vectors in 3D is,

Cosv=(A. B) /|A||B|.

Use A=3i+4j and B=j.

Here I have used ‘v’ as theta.

The angle is 37°.