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chris215

  • one year ago

To three decimal places, find the value of the first positive x-intercept for the function f(x) = 2cos(x + 3)

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  1. anonymous
    • one year ago
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    \[\frac{5\pi}{2}-2\] is what i was trying to suggest in the last post

  2. anonymous
    • one year ago
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    okk actually \[\frac{5\pi}{2}-3\]

  3. chris215
    • one year ago
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    1.712

  4. chris215
    • one year ago
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    but then i get -1.429 and thats the wrong answer

  5. merchandize
    • one year ago
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    \[x=\pi \div2-3\]

  6. chris215
    • one year ago
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    i got the same ansewer tho

  7. merchandize
    • one year ago
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    do you have answer for that?

  8. chris215
    • one year ago
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    -1.429..

  9. chris215
    • one year ago
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    im confused that answer isn't correct though bc i checked w my teacher and the answer is supposed to be postive thats all i knwo

  10. merchandize
    • one year ago
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    I need to check again..there can be a mistake

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