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    (Original post by cfcdrog)
    Same but Did we have to put plus and minus?
    yup. there were two answers
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    (Original post by jf1994)
    I used the sine rule, anyone else?
    Ye i used sine
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    (Original post by IHateC12k14paper)
    Please stop spamming, thanks.

    Here's the poll guys: http://strawpoll.me/4648207/r
    It's a public forum, anyone has the right to post what they want.
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    (Original post by milogillot)
    no k=2 since you had to square root 4cos^2
    It was 4. you multiplied by 2cos(theta) so it was 2cos(theta) * 2cos(theta)
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    What was p/q fr the 1st q?
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    VOTE NOW ON HOW YOU FOUND THIS EXAM!




    Click here: http://www.thestudentroom.co.uk/show....php?t=3407487


    Note: C4 JUNE 2015 UK paper ONLY!













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    For Q6 b) was it 4pi/3 + 2root3/4
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    Did anyone got 3199/ln9 in the last question :'(
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    lol easier? i'm getting out of this world
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    (Original post by jf1994)
    I used the sine rule, anyone else?
    I used the Sin i fould the foot of the perpendicular which i guess was the shortest distance
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    (Original post by Iridann)
    It was 4. you multiplied by 2cos(theta) so it was 2cos(theta) * 2cos(theta)
    its 2. while mutiplying 4 and 4 cancel out
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    (Original post by cfcdrog)
    For Q6 b) was it 4pi/3 + 2root3/4
    that's right
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    (Original post by anndz3007)
    Did anyone got 3199/ln9 in the last question :'(
    Nah it was 13pi/ln3
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    Poll vs poll - who really gives a ****?
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    (Original post by ninetail9990)
    its 2. while mutiplying 4 and 4 cancel out
    should be 4
    d(x)=2cos(theta) d(theta)
    and y=2cos(theta)
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    (Original post by Ripper Phoenix)
    lol easier? i'm getting out of this world
    It was hard wasnt it? I have never seen a ques like the last one in any paper
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    (Original post by jf1994)
    Poll vs poll - who really gives a ****?
    I agree. Stupid spammers.
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    (Original post by anndz3007)
    Did anyone got 3199/ln9 in the last question :'(
    YES ! I DID!
    Spoiler:
    Show
    Jks nope LOL
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    (Original post by anorris13)
    It is calculus, it has to be in radians
    No it doesn't. If anything, that particular question had to be answered in degrees. However, they may except both.
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    (Original post by Iridann)
    Nah it was 13pi/ln3
    How you intergrade 9^2x, i put u= 9^x
 
 
 
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