A-Level Maths: J2-08 [Vectors: Examples of Angles between Vectors]

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hi, how do you know which angle do you need to find betweet 2 lines e.g. is it the the outside angle or inside angle. can you draw a line connect the 2 lines to form a triangle between the 2 lines and use that as the required angle?

KhanhPhamPro
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For question 2 could you draw a perpendicular line to and AB and the work of the direction/angle of the second vector and add 90 degrees?

itsnotjason
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Thank you this has helped a lot!! You have made my day :)

lucaz
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stupid question but does this always mean the smallest angle between two points is the angle "between" them

henryindia