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onegirl

Find the derivative of f(x) = cos x, a = pi/2

  • one year ago
  • one year ago

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  1. jeevan.sukh
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    f'(x) = -sin x, now just substitute for x = a

    • one year ago
  2. onegirl
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    x = a? you mean substitute pi/2?

    • one year ago
  3. terenzreignz
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    Yes. Precisely :)

    • one year ago
  4. sman493
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    hey its that yo mama fight guy geerky42

    • one year ago
  5. onegirl
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    ????

    • one year ago
  6. sman493
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    And terenzreigns is correct

    • one year ago
  7. sman493
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    you see onegirl, there was a big yo mama fight yesterday

    • one year ago
  8. onegirl
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    how did you get -sin x ?

    • one year ago
  9. sman493
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    divide by 3.14

    • one year ago
  10. onegirl
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    u mean by pie?

    • one year ago
  11. onegirl
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    i mean pi*

    • one year ago
  12. swissgirl
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    |dw:1362710454730:dw|

    • one year ago
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