How do you find the magnitude and direction angle of the vector #v=3(cos60i+sin60j)#?
1 Answer
Oct 26, 2017
Explanation:
To find the magnitude we use a similar idea as used to find the distance between two points.
Magnitude is:
For vector
( negative root not applicable)
So:
The direction is the angle formed between the vector and the x axis.
So we find the tangent ratio, which is: