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Math Help - Error on paper or finger trouble?

  1. #1
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    Error on paper or finger trouble?

    Hi everyone,

    I'm looking at a couple of calculations and for the life of me I cannot get them to equal what is written down on the paper, could someone please check them and let me know if they get the same answers as me or what is written down.

    They are

    cos30(0.041) / 13.92 x 10^-6 I get 2550.79 The answer on the paper is 38.26 x 10^6

    Also the same with

    sin30(0.100) / 20.53 x 10^-6 I get 2435.46 The answer on the paper is 36.53 x 10^6

    Am I going mad or are there errors on the paper?

    Thanks in advance
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  2. #2
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    Re: Error on paper or finger trouble?

    Quote Originally Posted by Rastanking View Post
    Hi everyone,

    I'm looking at a couple of calculations and for the life of me I cannot get them to equal what is written down on the paper, could someone please check them and let me know if they get the same answers as me or what is written down.

    They are

    cos30(0.041) / 13.92 x 10^-6 I get 2550.79 The answer on the paper is 38.26 x 10^6

    Also the same with

    sin30(0.100) / 20.53 x 10^-6 I get 2435.46 The answer on the paper is 36.53 x 10^6

    Am I going mad or are there errors on the paper?

    Thanks in advance
    The paper appears to have errors.
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  3. #3
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    Joined
    Oct 2011
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    Re: Error on paper or finger trouble?

    Thank you, at least I know I'm not mad or stupid!!!
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