B = 2i+j - 2k AxB A) Given two vectors : A = 2î-3j+7k Find 1) B 2) B 3) B) Let magnitude of vector || = 6 unit with angle = 120° Write the vector as components in the xy - plane

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 10E
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Q2: (Answer two) A) Given two vectors: A = 21-3j+7k B= 21+j - 2k
Find 1) B
2) B
3) AxB
B) Let magnitude of vector | = 6 unit with angle = 120°
Write the vector as components in the xy - plane
C) Show that
sin20
1
tan 8+cos8
Transcribed Image Text:Q2: (Answer two) A) Given two vectors: A = 21-3j+7k B= 21+j - 2k Find 1) B 2) B 3) AxB B) Let magnitude of vector | = 6 unit with angle = 120° Write the vector as components in the xy - plane C) Show that sin20 1 tan 8+cos8
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