4. Given two unit vectors, m and ñ, and the angle between these two vectors is 70°, calculate (6m + 5n) (m-4n) to one decimal place. .

Trigonometry (MindTap Course List)
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ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
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Chapter7: Triangles
Section7.2: The Law Of Cosines
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4.
Given two unit vectors, m and ñ, and the angle between these two vectors is 70°,
calculate (6m + 5n) (m - 4n) to one decimal place.
Transcribed Image Text:4. Given two unit vectors, m and ñ, and the angle between these two vectors is 70°, calculate (6m + 5n) (m - 4n) to one decimal place.
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