A-Level Further Maths F3-12 Scalar Product: Examples of Finding the Angle between a Line and a Plane

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Just for anyone else who may watch and didn't realise:

You can shortcut when you have the obtuse angle between the normal and the line by just doing x-90.
(Since 90-(180-x) = x-90).

Thanks for the videos, these have been a big help for me catching up on FM after being ill!

MrWorzel
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Love your videos, am currently studying further maths at a level and these are great help!

oscarvaughan
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Why didnt we use the opposite angle to it that's formed by the line below the plane

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