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Math Help - How to explain it in words?

  1. #1
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    Question How to explain it in words?

    Hello, I need to write a conclusion for my math assignment report. But i never did it before, I wan to ask that how we consider t=30/cos Ө as?

    is it an equation? or?



    thanks.
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  2. #2
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    Re: How to explain it in words?

    What you wrote is just t as a function of \theta.
    What that means, and how to best to describe it, depends on the specifics of the problem where that function arises.
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    Re: How to explain it in words?

    Quote Originally Posted by johnsomeone View Post
    What you wrote is just t as a function of \theta.
    What that means, and how to best to describe it, depends on the specifics of the problem where that function arises.
    Actually it's not a function question, it's a question about vector but involving trigonometry. t=30/cos Ө is the final answer that i get. It's something like "find t in term of Ө", but i don't know how to describe the final answer (t=30/cos Ө)...
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  4. #4
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    Re: How to explain it in words?

    Maybe use the secant function to "describe" it? Is that the kind of description you're looking for?

    t = 30 \sec(\theta)
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    Re: How to explain it in words?

    Quote Originally Posted by johnsomeone View Post
    Maybe use the secant function to "describe" it? Is that the kind of description you're looking for?

    t = 30 \sec(\theta)
    no. I just want to know what is the whole thing (t=30/cos Ө) called.
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  6. #6
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    Re: How to explain it in words?

    Any of those is correct. Because is says one side = another, it is an "equation".
    Because you can use it to find one value given another, it is a "formula".
    Because you can think of a value of \theta giving a value of t, it is a "function".

    For your purposes, probably "formula" is best.
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    Re: How to explain it in words?

    Quote Originally Posted by HallsofIvy View Post
    Any of those is correct. Because is says one side = another, it is an "equation".
    Because you can use it to find one value given another, it is a "formula".
    Because you can think of a value of \theta giving a value of t, it is a "function".

    For your purposes, probably "formula" is best.
    Thanks so much!! ^^
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