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Find dy/dx x=te^t y=t+sint

  1. Could someone please check my work on the following problems? I want to be sure that I'm doing them correctly; i'm just required
    1. answers icon 1 answer
    2. Joesph asked by Joesph
    3. views icon 594 views
  2. Can somebody explain how the derivative of (cost-sint)i and (cost+sint)j equal -2sinti and 2costj. Should it be (-sint-cost)i
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    2. Anonymous asked by Anonymous
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  3. find an equation to the curve at the point corresponding to the given value of the parameter.x = tcost y = tsint when t = π i
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    2. Hanky asked by Hanky
    3. views icon 712 views
  4. Q.NO.4: Find the arc length of the graph of r(t).r(t)=(t^2)i +(cost + t sint)j +(sint- t cost)k , 0≤t≤π
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    2. akash asked by akash
    3. views icon 681 views
  5. If sin T = 1/2, then the value of sinT ( sinT - cosecT ) is
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    2. alex asked by alex
    3. views icon 540 views
  6. Find dy/dxx=te^t y=t+sint
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    2. Anonymous asked by Anonymous
    3. views icon 2,098 views
  7. find cos (x/2) when sint =12/13
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    2. Raquel asked by Raquel
    3. views icon 490 views
  8. Find lim t -->0 ( (tant/t) i - (3t/sint)j + (cos t + (t^2)/2 - 1) / t^2 ) k
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    2. Ken asked by Ken
    3. views icon 153 views
  9. x=tcost & y=t+sint then find dx2/d2y
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    2. rohit singh asked by rohit singh
    3. views icon 1,325 views
  10. Given that x=cos^2t and y=ln(sint) find d^2y/dx^2 at the point t=π/4
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    2. Omar asked by Omar
    3. views icon 546 views