Question

if A=3i-4j and B=-i-4j , calculate the direction of A + B​

Answer 1

AnsWER:

• =tan(-2)

Explanation:

A+B mean simple addition of components of both value like A=3i-4j

B=i-4j

A+B=4i

so the direction of vector is given tan•= y/x

= -8/4= -2

• =tan¹(-2)