What is the initial step in finding the projection of vector a onto vector b?
Projection Vector Proof

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Mathematics
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9th - 10th Grade
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Finding the midpoint between a and b
Calculating the cross product of a and b
Constructing a right angle triangle
Drawing a perpendicular line from a to b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which trigonometric function is used to relate the magnitude of the projection vector to the vectors a and b?
Cosine
Tangent
Sine
Secant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the direction of the projection vector determined?
By using the cross product of a and b
By finding the unit vector of b
By calculating the angle between a and b
By using the magnitude of a
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the projection of vector a onto vector b?
a cross b divided by the magnitude of a squared
a dot b divided by the magnitude of b squared times vector b
a cross b divided by the magnitude of b squared
a dot b divided by the magnitude of a times vector a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formal mathematical notation for the projection of a onto b?
dot(a, b)
u(a, b)
proj(a, b)
vec(a, b)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the projection of b onto a be derived?
By finding the midpoint between a and b
By using the same process as for a onto b
By using the inverse of the projection formula
By calculating the cross product of a and b
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the symmetry in the projection of vectors?
It simplifies the calculation of cross products
It allows for the use of the same formula for both projections
It negates the need for unit vectors
It ensures the vectors are perpendicular
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