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Given the vectors a and b, with lengths 21 and 44 respectively, and cosine of the angle between them equal to StartFraction 7 Over 12 EndFraction, find the scalar projection of a onto b and a · b. ab =
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Given the vectors a and b, with lengths 21 and 44 respectively, and cosine of the angle between them equal to StartFraction 7 Over 12 EndFraction, find the scalar projection of a onto b and a · b.

ab =

a · b =

Given the vectors a and b, with lengths 21 and 44 respectively, and cosine of the-example-1
User AC Capehart
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4.0k points

1 Answer

4 votes

Answer:

ab= 49/4

a•b =539

Explanation:

User Khushalbokadey
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4.8k points
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