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Posted by on Tuesday, April 19, 2011 at 11:07pm.

write the complex number in standard form a+bi

sqrt 7 (cos pi/12 + i sin pi/12)

(sqrt = square root, i= imaginary number)

  • PRECALCULUS - , Tuesday, April 19, 2011 at 11:14pm

    check condition of problem

  • PRECALCULUS - , Tuesday, April 19, 2011 at 11:20pm

    what do you mean?

  • PRECALCULUS - , Tuesday, April 19, 2011 at 11:35pm

    Maybe we must find the square of
    sqrt7(cosPi/12+isinPi/12)?
    sqrt7=2.646
    cosPi/12=0.966
    sinPi/12=0.259
    2.646(0.966+i0.259)=2.556+0.685i

  • PRECALCULUS - , Tuesday, April 19, 2011 at 11:42pm

    thank you

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