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Math Help - Inequality trigonometric

  1. #1
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    Inequality trigonometric

    Let ABC be a triangle. Prove that:

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  2. #2
    MHF Contributor Also sprach Zarathustra's Avatar
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    Re: Inequality trigonometric

    Quote Originally Posted by BUZZ View Post
    Let ABC be a triangle. Prove that:

    Hint:

    A+B+C=180^{\circ}
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  3. #3
    Super Member TheChaz's Avatar
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    Re: Inequality trigonometric

    Quote Originally Posted by Also sprach Zarathustra View Post
    Hint:

    A+B+C=180^{\circ}
    Nice
    Quote Originally Posted by BUZZ View Post
    Let ABC be a triangle. Prove that:

    I think I've got it. Care to share your results so that we can compare? I'd say it's only proper, seeing as you just plopped this down without showing any work as your first post on MHF...
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