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Thread: Trigonometric equations

  1. #1 Trigonometric equations 
    Forum Ph.D. Heinsbergrelatz's Avatar
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    how would one solve this?

    ,

    giving x in terms of ?

    thank you.


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  3. #2  
    sox
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    Depends on how you want to express your final answer.

    I suggest you start by differentiating one of your equations and then adding it to the other original equation. You may want to multiply by -1 depending on what you do.



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  4. #3  
    Forum Masters Degree thyristor's Avatar
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    Take the square of both equations. Then you get and .
    Now add them and use the trigonometric unit. The you get .
    Proceed from here and remember to check so that you haven't produced any false roots by squaring.
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