SOLUTION: Find the angle between the given vectors to the nearest tenth of a degree.
u = <-5, 8>, v = <-4, 8>
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Question 1091437: Find the angle between the given vectors to the nearest tenth of a degree.
u = <-5, 8>, v = <-4, 8>
Found 2 solutions by math_helper, ikleyn:
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
Use the two expressions of the vector dot product:
u • v =
=
=
=
=
—
Check: which you will recall is the dot product found by multiplying corresponding vector components
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
On dot-product, see the lessons in this site
- Introduction to dot-product
- Formula for Dot-product of vectors in a plane via the vectors components
- Dot-product of vectors in a coordinate plane and the angle between two vectors
- Perpendicular vectors in a coordinate plane
- Solved problems on Dot-product of vectors and the angle between two vectors
- Properties of Dot-product of vectors in a coordinate plane
- The formula for the angle between two vectors and the formula for cosines of the difference of two angles
- HOW TO find dot-product of two vectors in a plane
- HOW TO find scalar product of two vectors in a coordinate plane
- HOW TO find the angle between two vectors in a coordinate plane
- HOW TO prove that two vectors in a coordinate plane are perpendicular
- HOW TO prove that a triangle in a coordinate plane is a right triangle
- HOW TO check if a quadrilateral in a coordinate plane is a parallelogram
- HOW TO check if a quadrilateral in a coordinate plane is a rectangle
- HOW TO check if a quadrilateral in a coordinate plane is a rhombus
- HOW TO check if a quadrilateral in a coordinate plane is a square
Also, you have this free of charge online textbook in ALGEBRA-II in this site
ALGEBRA-II - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this online textbook under the topic "Dot-product for vectors in a coordinate plane".
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