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

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

(sqrt = square root, i= imaginary number)

- PRECALCULUS -
**Mgraph**, Tuesday, April 19, 2011 at 11:14pmcheck condition of problem

- PRECALCULUS -
**YOSHI**, Tuesday, April 19, 2011 at 11:20pmwhat do you mean?

- PRECALCULUS -
**Mgraph**, Tuesday, April 19, 2011 at 11:35pmMaybe 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 -
**YOSHI**, Tuesday, April 19, 2011 at 11:42pmthank you

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