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Thread: help with question

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    help with question

    Hi,

    Can anyone help me with part c please
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    Re: help with question

    Quote Originally Posted by dabatman View Post
    Hi,

    Can anyone help me with part c please


    Then just substitute the values of tan x and of tan y indicated above.
    Last edited by Drongoski; 25 May 2017 at 12:37 PM.
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    Re: help with question

    Sxc avatar made by a sxc person: carrotontheground http://community.boredofstudies.org/...otontheground/

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    Re: help with question

    thank you so much

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    Re: help with question

    Also,

    Can someone help me with this question, i solved it but my answer was incorrect
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    Re: help with question

    Last edited by Drongoski; 31 May 2017 at 8:36 AM.
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    Re: help with question

    Quote Originally Posted by Drongoski View Post
    thankyou

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    Re: help with question

    Quote Originally Posted by dabatman View Post
    thankyou
    I know that this question was from a while ago, but the answer from the book says its "3sintheater x(times) cos2theater - sin3theater"

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    Re: help with question

    anyone know why?

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    Re: help with question

    Do you mean?:




    Well this is the "unfinished" version of sin3@ to be expressed in terms of sin@ only. But looking at the question again, it only asked for an expression. The 2 are equivalent.


    By the way: it is theta and not theater.
    Last edited by Drongoski; 31 May 2017 at 10:50 PM.
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    Re: help with question

    Thanks, and oops spelling ain't my forte, lol

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