Question

if A= 4i -2j +6k , B= i -2j-3k then, angle which the A+B makes with X axis​

Answer 1

Answer:

45

Explanation:

let angle be x

A+B =5i -4j+3k

cos x = 5/ 5 root 2

cos x = 1 / root 2

x =45

Answer 2

Answer:

here is your answer

please mark me as a brain least and thank me and follow me