9. Find the magnitude and direction of the vector (-1,9). 10. A boat leaves the marina and sails 3 miles west, then 2 miles southwest. How far from the marina is the boat, and in what direction must it sail to head directly home?

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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9. Find the magnitude and direction of the vector (-1,9).
10. A boat leaves the marina and sails 3 miles west, then 2 miles southwest. How far from
the marina is the boat, and in what direction must it sail to head directly home?
Transcribed Image Text:9. Find the magnitude and direction of the vector (-1,9). 10. A boat leaves the marina and sails 3 miles west, then 2 miles southwest. How far from the marina is the boat, and in what direction must it sail to head directly home?
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