Find the product of z1 and z2, where z1 = 7(cos 40° + i sin 40°) and z2 = 6(cos 145° + i sin 145°). 42(cos 40° + i sin 40°) 42(cos 185° + i sin 185°) 13(cos 185° + i sin 185°) 42(cos 5800° + i sin 5800°)

Question

19-02-2018
Mathematics

contestada

Find the product of z1 and z2, where z1 = 7(cos 40° + i sin 40°) and z2 = 6(cos 145° + i sin 145°). 42(cos 40° + i sin 40°) 42(cos 185° + i sin 185°) 13(cos 185° + i sin 185°) 42(cos 5800° + i sin 5800°)

Respuesta :

Otras preguntas

Recent Awards-State Revolving Fund Loan Agreements Executed for Clean Water State Revolving Fund Program Projects A Clean Water State Revolving Fund loan increa

new research in the area of prenatal and adult hormone levels is providing strong evidence for biological theories of sexual orientation. True or False

Ian has 7 meters of brown fabric and 28 pieces of green fabric. Ian cuts the brown fabric into 1-sixth-meter pieces. Question How many ,begin emphasis,more,end

Animal and human communication are similar in that both conform to the linguistic principles of _____ and _____. However, they are different in that animal comm

facial injuries should be identified and treated as soon as possible because:

Why was the Battle of Gettysburg considered a turning point in the Civil War?

If you roll a fair dice, what is the probability that the number you get is a.) 5 b.) an odd number c.) a number greater than 1 d.) a multiple of 4?

The distribution of pairs of shoes for some teenagers' closets is as follows. Pairs of Shoes 1 2 3 4 Frequency 5 18 30 57 30 15 Find the probability a teenager

How should items be transported in order to implement single unit flow? Multiple choice question. All at once By outsourced workers In batches Piece-by-piece

o Supply Chain Planning Software (demand forecasting)- accumulates data about orders from retail customers, sales from retail outlets, and data about manufactur

jdoe0001 jdoe0001 · Answer 1 · 2018-02-19T02:07:06+01:00

[tex]\bf \qquad \textit{ product of two complex numbers}\\\\ r_1[cos(\alpha)+isin(\alpha)]\quad \cdot \quad r_2[cos(\beta)+isin(\beta)] \\\\\\ ~~~~~~~~~r_1\cdot r_2[cos(\alpha + \beta)+isin(\alpha + \beta)]\\\\ -------------------------------\\\\ \stackrel{z1}{7[cos(40^o)+i~sin(40^o)]}~~\cdot ~~\stackrel{z2}{6[cos(145^o)+i~sin(145^o)]} \\\\\\ ~~~~~~~~~7\cdot 6[cos(40^o+145^o)+i~sin(40^o+145^o)] \\\\\\ ~~~~~~~~~42[cos(185^o)+i~sin(185^o)][/tex]