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Math Help - Trigonometric range

  1. #1
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    Trigonometric range

    find range of f(\theta) = \sin^8\theta+\cos^{14}\theta

    for \theta \in [0,\pi]
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  2. #2
    Super Member ILikeSerena's Avatar
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    Re: Trigonometric range

    Hi jacks!

    How far did you get?
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  3. #3
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    Re: Trigonometric range

    Quote Originally Posted by jacks View Post
    find range of f(\theta) = \sin^8\theta+\cos^{14}\theta
    for \theta \in [0,\pi]
    Hint: If -1\le T\le 1 then 0\le T^2\le 1.
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