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heatherh294 Group Title

Find local min and max and the points of inflection for f(x)= 3(cos(x))^2 - 6sin(x)

  • one year ago
  • one year ago

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  1. freewilly922 Group Title
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    Do you know how to do the chain rule with respect to trig functions?

    • one year ago
  2. freewilly922 Group Title
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    Example \[ \bigg(\cos^4(x)\bigg)^{\prime}=4\cos^3(x)\]

    • one year ago
  3. freewilly922 Group Title
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    oh and generally \[\cos^2(x) = (\cos(x))^2\]

    • one year ago
  4. satellite73 Group Title
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    ?

    • one year ago
  5. satellite73 Group Title
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    let me write it correctly \[f'(x)=-6\cos(x)\sin(x)-6\cos(x)]\] that's better

    • one year ago
  6. myininaya Group Title
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    \[\(cos^2(x))'=2\cos(x)(-\sin(x))=-2\cos(x)\sin(x)\]

    • one year ago
  7. myininaya Group Title
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    @freewilly922 your example is a little off

    • one year ago
  8. satellite73 Group Title
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    mine was way off!

    • one year ago
  9. myininaya Group Title
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    Corrected example from above: \[(\cos^4(x))'=4\cos^3(x)(-\sin(x))=-4\cos^3(x)\sin(x)\]

    • one year ago
  10. satellite73 Group Title
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    i just ate a mini kitkat

    • one year ago
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