In triangle ABC, AB(vector) = 4i + 3j, AC(vector) = 6i 4j. a. Find the angle
Question:
In triangle ABC, AB(vector) = 4i + 3j, AC(vector) = 6i − 4j.
a. Find the angle between AB(vector) and i.
b. Find the angle between AC(vector) and i.
c. Hence find the size of ∠BAC, in degrees, to one decimal place.
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To solve this problem we need to calculate the dot product of the given vectors The dot product is d...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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