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anonymous

  • one year ago

Express the complex number in trigonometric form. -4i A. 4(cos 180° + i sin 180°) B. 4(cos 270° + i sin 270°) C. 4(cos 90° + i sin 90°) D. 4(cos 0° + i sin 0°)

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  1. anonymous
    • one year ago
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    it looks like this |dw:1439431346663:dw|

  2. anonymous
    • one year ago
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    what do you think?

  3. anonymous
    • one year ago
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    Good so far

  4. anonymous
    • one year ago
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    found your answer yet?

  5. anonymous
    • one year ago
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    C?

  6. anonymous
    • one year ago
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    |dw:1439431452337:dw|

  7. anonymous
    • one year ago
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    Oh, B

  8. anonymous
    • one year ago
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    yes

  9. anonymous
    • one year ago
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    Thank you!

  10. anonymous
    • one year ago
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    yw

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spraguer (Moderator)
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