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Thread: Trigonometry

  1. #1
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    Question Trigonometry

    Solve
    31/2 cos x + sin x =2 1/2 .
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  2. #2
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    Re: Trigonometry

    Quote Originally Posted by Sruthi View Post
    Solve
    31/2 cos x + sin x =2 1/2 .
    Go to this website to see a solution. How do you know that these are solutions?
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  3. #3
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    Re: Trigonometry

    I need to be a pro member to access the solutions..
    This question is from a exam paper...It should be having solutions for x.
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  4. #4
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    Re: Trigonometry

    Hey Sruthi.

    Hint - try looking at phasors.

    https://www.electronics-tutorials.ws...s/phasors.html
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