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Find the indicated quantity, assuming that u = 2i + j, v = i - 3j, and w = 3i + 5j. (A - n) . (A + n) Need Help? Read It Watch It

Find the indicated quantity, assuming that u = 2i + j, v = i - 3j, and w = 3i + 5j. (A - n) . (A + n) Need Help? Read It Watch It

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Find the indicated quantity, assuming that u = 2i + j, v = i - 3j, and w = 3i + 5j. (u + v) • (u – v) Need Help? Read It Watch It DETAILS Find the component of u along v. u = (2, 5), v = (3, -4) Need Help? Read It Watch It 31 DETAILS SPAEC Find the component of u along v. u = 7i - 21j, v = j
Transcribed Image Text:Find the indicated quantity, assuming that u = 2i + j, v = i - 3j, and w = 3i + 5j. (u + v) • (u – v) Need Help? Read It Watch It DETAILS Find the component of u along v. u = (2, 5), v = (3, -4) Need Help? Read It Watch It 31 DETAILS SPAEC Find the component of u along v. u = 7i - 21j, v = j
Consider the following. u = -4j, v = -i - - V3j (a) Find u • v. u• v = (b) Find the angle between u and v to the nearest degree. Need Help? Read It Watch It Consider the following. u = i + 8j, v = 9i – j (a) Find u • v. u • v = (b) Find the angle between u and v to the nearest degree.
Transcribed Image Text:Consider the following. u = -4j, v = -i - - V3j (a) Find u • v. u• v = (b) Find the angle between u and v to the nearest degree. Need Help? Read It Watch It Consider the following. u = i + 8j, v = 9i – j (a) Find u • v. u • v = (b) Find the angle between u and v to the nearest degree.
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