samanthavalverde497 samanthavalverde497

21-05-2020
Mathematics

contestada

Find [2(cos240degrees + i sin240degrees)]^4

Find 2cos240degrees i sin240degrees4 class=

Respuesta :

surjithayer10 surjithayer10

21-05-2020

Answer:

B

Step-by-step explanation:

[tex][2(cos240+isin240)]^4\\=[2e^{240 i}]^4\\=2^4[e^{960i}]\\=16(cos960+isin960)\\=16[cos(360 \times 2+240)+i sin(2\times360+240)]\\=16(cos240+isin240)[/tex]

Answer Link

Otras preguntas

Tom earns $15.50 per hour at the Yankee Bowling Alley. He regularly works 40 hours per week. He is paid time-and-a-half for each hour of overtime work. Last wee

361,354,347, ... Find the 47th term.

Which table of input Values x and output values Y

10 points !!!!!!!!!!!!!!!!!!!!!!!!!!!!!

How many entries were in Johnson's dictionary? Samuel Johnson's Dictionary of the English Language is one of the most famous dictionaries i

What are the three different categories of the types of rule

Professor Vaughn is interested in why people are more likely to have phobias about things that occur in nature, such as snakes, than about things that are incre

What role did Myles Standish play in founding the Plymouth Colony?

The joint probability distribution of the number x of cars and the number y of buses per signal cycle at a proposed left-turn lane is displayed in the accompany

the peripheral nervous system includesA. All Nerves outside the central nervous systemB. the Brain and the spinal cordC. the spinal cord and all of the nerveD.