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    (Original post by morgan8002)
    Don't worry then, use cosine rule repeatedly.

    No, uni. You learn double angle formulae at A-level though.
    oh right cool, what uni do u go to?
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    (Original post by User23)
    oh right cool, what uni do u go to?

    Warwick.
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    (Original post by morgan8002)
    Warwick.
    cool, studying maths?
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    (Original post by User23)
    cool, studying maths?
    Maths and physics.
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    (Original post by morgan8002)
    Maths and physics.
    omg that must be so damn hard
 
 
 
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