ude 5. Find the area of the triangle created by the

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
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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.
·
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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