asked 58.7k views
4 votes
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

1 Answer

4 votes

Answer:

ab= 49/4

a•b =539

Explanation:

answered
User Khushalbokadey
by
7.9k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.