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onegirl

  • one year ago

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

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

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

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

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

  5. onegirl
    • one year ago
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    ????

  6. sman493
    • one year ago
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    And terenzreigns is correct

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

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

  9. sman493
    • one year ago
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    divide by 3.14

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

  11. onegirl
    • one year ago
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    i mean pi*

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

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