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Math Help - Check my answers dealing with values and solutions?

  1. #1
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    Question Check my answers dealing with values and solutions?

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  2. #2
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    Re: Check my answers dealing with values and solutions?

    1. you are missing the solution values from 2\pi to 4\pi

    2. -\pi , not \pi

    3. \frac{\pi}{2} is correct, \frac{\pi}{4} is not

    4. is the equation ...

    2\cos\left(\frac{3}{10x}\right) - 3\sin\left(\frac{1}{2x}\right) = 0

    ???
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  3. #3
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    Re: Check my answers dealing with values and solutions?

    So,
    1. pi/3 & 7pi/3 ?
    3.pi/2 & pi/3 ?
    4. yes, that's the equation
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