Question

let a vector is equal to ICAP A cos theta + J can a sin theta be any vector another vector b vector which is normal to a is ​

Answer 1

Answer:

Given vector A= 3 i cap + j cap + 4k cap and vector B = i cap + 3 j cap - 5 k cap. Find the unit vector in the direction of (vector A+ vector B) and (vector A - vector B)