In triangle ABC, AB(vector) = 4i + 3j, AC(vector) = 6i 4j. a. Find the angle

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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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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

ISBN: 9781292183398

1st Edition

Authors: Greg Attwood

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Question Posted: Jul 16, 2023 12:22 AM

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In triangle ABC, AB(vector) = 4i + 3j, AC(vector) = 6i 4j. a. Find the angle

Question:

A B C

Step by Step Answer:

To solve this problem we need to calculate the dot product of the given vectors The dot product is d...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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