What is the formula used to find the angle between two vectors?
How to find the angle between two vectors

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Mathematics
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9th - 10th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tangent of Theta equals the sum of U and V divided by their magnitudes
Sine of Theta equals the cross product of U and V divided by their magnitudes
Secant of Theta equals the product of U and V divided by their magnitudes
Cosine of Theta equals the dot product of U and V divided by their magnitudes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the magnitude of a vector?
By multiplying the components of the vector
By adding the components of the vector
By taking the square root of the sum of the squares of its components
By dividing the components of the vector
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the magnitude of vector U if its components are 4 and 3?
7
5
16
25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the dot product of vectors U and V if U = (4, 3) and V = (3, 5)?
12
20
27
15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle Theta in degrees if the cosine inverse of 27 divided by 5 times sqrt 34 is calculated?
60 degrees
22.17 degrees
30.5 degrees
45 degrees
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