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Luigi0210 Group Title

How would I start this? Tangent line problem.

  • 7 months ago
  • 7 months ago

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  1. Luigi0210 Group Title
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    http://prntscr.com/2x1nzl

    • 7 months ago
  2. myininaya Group Title
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    You to find when f'=0

    • 7 months ago
  3. Luigi0210 Group Title
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    Oh, alright, seems simple enough, thanks!

    • 7 months ago
  4. myininaya Group Title
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    Did you ever find f'?

    • 7 months ago
  5. Luigi0210 Group Title
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    It would be \[\LARGE f'(x)=2cosx+2sinxcosx\] right?

    • 7 months ago
  6. myininaya Group Title
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    right now set that =0 and solve for x

    • 7 months ago
  7. myininaya Group Title
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    \[2\cos(x)(1+\sin(x))=0\]

    • 7 months ago
  8. myininaya Group Title
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    Solve both equations: cos(x)=0 1+sin(x)=0

    • 7 months ago
  9. Luigi0210 Group Title
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    And that'll give me x, to plug in and find y right?

    • 7 months ago
  10. myininaya Group Title
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    yep once you get x here make sure you plug into f(x) to get the corresponding y for each x in that domain given.

    • 7 months ago
  11. Luigi0210 Group Title
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    Alright, thanks again myininaya :)

    • 7 months ago
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