Recall DeMoivre's formula: (cos(0) +i. siu (0)()i sin(n0). DeMoivre's formula can be established without using the...

Question

Question

Answer 1

Answer #1

c) 2. Then V-뉘 Then Kti alio Noo As Them Helda me-15mm四 1

Answer 2

Similar Homework Help Questions

1. (a) Use Euler's identity e¡θ-cos θ + i sin θ to prove that sin θ=-(eiO , 2i (b) Use the identi...

Time series analysis 1. (a) Use Euler's identity e¡θ-cos θ + i sin θ to prove that sin θ=-(eiO , 2i (b) Use the identities above and the formula for the sum of a geometric series to prove that if n is an integer and j E 1,2,... ,n} then TL TL sin-(2Ttj/n)- n/2 so long as J关[m/2, where Laj is the greatest integer that is smaller than or equal to x (c) Show that when j 0 we have...
0 + 360° Square roots of 5(cos 120° + i sin 120°) 0 + 360° (a)...

0 + 360° Square roots of 5(cos 120° + i sin 120°) 0 + 360° (a) Use the formula zk = V(cos 75 (cos 60° + i sin 60°) + i sin to find the indicated roots of the complex number. (Enter your answers in trigonometric form. Let 0 so< 360°.) n n 20 = 21 = V5 (cos 240° + i sin 240°) x (b) Write each of the roots in standard form. Zo = 5 2 + i...
Question 1 (Quadrature) [50 pts I. Recall the formula for a (composite) trapezoidal rule T, (u) for 1 = u(a)dr whic...

Question 1 (Quadrature) [50 pts I. Recall the formula for a (composite) trapezoidal rule T, (u) for 1 = u(a)dr which requires n function evaluations at equidistant quadrature points and where the first and the last quadrature points coincide with the integration bounds a and b, respectively. 10pts 2. For a given v(r) with r E [0,1] do a variable transformation g() af + β such that g(-1)-0 and g(1)-1. Use this to transform the integral に1, u(z)dz to an...