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    Jan 2006 q8 (b) can someone show their working out for this question and explain
    Find all the solutions of theta to one dp in the interval 0 <theta <360 for which
    tan^2 theta =4
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    (Original post by sia_x11)
    Jan 2006 q8 (b) can someone show their working out for this question and explain
    Find all the solutions of theta to one dp in the interval 0 <theta <360 for which
    tan^2 theta =4
    easy
    root both sides to get
    \tan \theta =2

    Edit: supposed to be \tan \theta =\pm 2

    then solve for values
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    (Original post by thefatone)
    easy
    root both sides to get
    \tan \theta =2

    then solve for values
    Well, you would get \tan \theta = \pm 2
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    Solve Tan theta for both positive and negative values
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    (Original post by Foutre en L'air)
    Well, you would get \tan \theta = \pm 2
    ah yes i missed that thanks for pointing it out, i'll edit it?
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    (Original post by thefatone)
    ah yes i missed that thanks for pointing it out, i'll edit it?
    No problem, it's a very easy mistake to make!
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    (Original post by Foutre en L'air)
    No problem, it's a very easy mistake to make!
    That's the kind of mistake which will kill me when i don't get an A* in maths next year :/
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    Oh my bad i get it now
 
 
 
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