Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter7: Triangles
Section7.5: Vectors: An Algebraic Approach Learning
Problem 74PS
Related questions
Question
![5. Let a, b and c be three vectors with the same magnitude 5.
a) Assume that the angle between a and b is 45°. Find the area of the triangle created by the
vectors a 2b and 3a + 2b.
b) If a + b + c = 0, then, evaluate a b + b c+a.c.
·](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6cd8ffe2-e886-4ff7-b555-dcaa8a1076b4%2F010a81a2-917c-4274-adf8-a246fc9339a1%2F81j2wji_processed.png&w=3840&q=75)
Transcribed Image Text:5. Let a, b and c be three vectors with the same magnitude 5.
a) Assume that the angle between a and b is 45°. Find the area of the triangle created by the
vectors a 2b and 3a + 2b.
b) If a + b + c = 0, then, evaluate a b + b c+a.c.
·
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