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    Do I change the tanx to sinx/cosx or get try to get tan^2x?

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    I would multiply through the brackets then bring all of them over 1 devisor
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    (Original post by M4cc4n4)
    I would multiply through the brackets then bring all of them over 1 devisor
    Oh I realised I got the identity wrong for tan(a-b)...lol

    I've done it now - thanks anyway
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    (Original post by ℓove)
    Oh I realised I got the identity wrong for tan(a-b)...lol

    I've done it now - thanks anyway
    Yeah the way you did it would end up not cancelling out
 
 
 
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