Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section: Chapter Questions
Problem 12T
Question
![1) (10 points) Let a = -1i+2 + 2k and b = 2i − j + k.
a) (3 points) Find a b
b) (3 points) Find the angle between vectors ä and b](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fabb75337-a8ce-4ff9-8c07-7d58c277bdaa%2Faa35ad6c-b9b8-4ae4-9c35-78d804e81e92%2Fwtb7xly_processed.png&w=3840&q=75)
Transcribed Image Text:1) (10 points) Let a = -1i+2 + 2k and b = 2i − j + k.
a) (3 points) Find a b
b) (3 points) Find the angle between vectors ä and b
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