joudk8147 joudk8147

18-04-2018
Mathematics

contestada

Find all cube roots of 64 (cos 219 degrees +i sin 219 degrees)

Respuesta :

sqdancefan sqdancefan

18-04-2018

The principal root is
(64∠219°)^(1/3) = (64)^(1/3)∠(219°/3) = 4∠73°

The other two roots are 120° and 240° from this, so the three roots are
4∠73°
4∠193°
4∠313°

Answer Link

Otras preguntas

Which Absolute monarch used his/her entire country's resources to build the enormous palace of Versailles? Question 2 options: A. Louis XV B. Peter the Great C.

whats 9+10??????????

true or false the rocks cycle is a slow process

Which of the following best states the expectations of venture capitalists

Select all that are applicable: A square root expression is in simplified radical form if the radicand contains: a. No Fractions b.No Radicals in the Denom

Bread, beans, and meat were cooked and eaten by many people on the frontier. Which does the sentence contain? a compound subject and a compound verb compound su

Give the symbol of the ion that contains 34 protons and 36 electrons

According to recent studies by field, the total npp from aquatic ecosystems is approximately _______ the total npp from terrestrial ecosystems.

A ski jumper starts with a horizontal take-off velocity of 25 m/s and lands on a straight landing hill inclined at 30Â°. determine (a) the time between take-off

Where's Africa located on the map?