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The magnitude of the projection uses the cosine of the angle with the:
ALine
BOrigin
Cy-axis
DPlane
Answer & Solution
Correct answer: A. Line
1. The vector makes some angle with the given line.
2. Its shadow on the line depends on that angle.
3. The magnitude is the length times the cosine of that angle.
_Source: NCERT Class 12 Mathematics Part II, Chapter 10, Vector Algebra._
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