If u=<-4,2> and v=<1,-8> find the angle v makes with the positive y-axis.
Added by Cheryl G.
Step 1
First, we need to find the magnitude of v, which is the length of the vector. We can use the Pythagorean theorem to do this: |v| = sqrt(1^2 + (-8)^2) = sqrt(65) Show more…
Show all steps
Close
Your feedback will help us improve your experience
Dr Harish Viswanathan and 66 other Precalculus educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
find the angle between the given two vectors: u=<4,0> , v=<0,-8>
Rahul M.
let v= - 4i + 4j. find the direction angle that this vector makes with the positive x axis
Adi S.
What is the angle between the given vector and the positive direction of the $x$ -axis? $$8 \mathbf{i}+6 \mathbf{j}$$
VECTORS AND THE GEOMETRY OF SPACE
Vectors
Recommended Textbooks
Precalculus with Limits
Precalculus
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD