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anonymous

  • 5 years ago

what would be the critical points for cos20(thats theta not 0) , 0<theta(0)<pi/4

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  1. amistre64
    • 5 years ago
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    thats 2 cycles of cosine in a normal period..

  2. amistre64
    • 5 years ago
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    cos is normally 0 at pi/2 and 3pi/2

  3. amistre64
    • 5 years ago
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    and inflects at o and pi

  4. amistre64
    • 5 years ago
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    do i have that backwards?

  5. amistre64
    • 5 years ago
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    high points at 0 and pi ....yeah

  6. amistre64
    • 5 years ago
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    regardless, its criticals are at -2sin(2t)

  7. anonymous
    • 5 years ago
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    oh ok, thanks a lot

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