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    (Original post by coolguy123456)
    Where's the first question from? (which paper)
    Jan 2015 international, it's likely a question similar to this will appear on tuesday
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    (Original post by Katiee224)
    Jan 2015 international, it's likely a question similar to this will appear on tuesday
    The way i understand it is that if it says 2 full revolutions, you make your "theta" in the first case 30t equal to 720 degrees as it's 2 full revolutions and for the other one you do = to 4pi and then solve for t.
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    (Original post by coolguy123456)
    The way i understand it is that if it says 2 full revolutions, you make your "theta" in the first case 30t equal to 720 degrees as it's 2 full revolutions and for the other one you do = to 4pi and then solve for t.
    guess that makes sense, thanks
 
 
 
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