(4) (a) Express the function f(z) = sin(z) cos(z) as an infinite product.
QUESTION 4 Suppose a fourth field and path: F= <cos(z), sin(z), xy > and r= <sin(t), cos(t), t-> when Osts 21 What does this field look like? What does the path look like? Find ff. dr (use a calculator), what does it represent? Explain.
Let F(x, y, z) = sin yi + (x cos y + cos z)j – ysin zk be a vector field in R3. (a) Verify that F is a conservative vector field. (b) Find a potential function f such that F = Vf. (C) Use the fundamental theorem of line integrals to evaluate ScF. dr along the curve C: r(t) = sin ti + tj + 2tk, 0 < t < A/2.
Problem 4 -π/3) in quadrature form. 2π A) Express the function Y1 = (2 m) sin( 5-x B) Express the function y3=(4m)cos(10-)-(2m) sin( nx) incosine form. 10 in sine form. C) Express the function y3= (4 m) cos(nz)-(2 m) sin(nz) in sine form. C) Express the function y3= (4 m) cos(-x )-(2 m) sin(-x
3. 8p] Show that the force field F(x,y, z) sin y, x cos y + cos z, -y sin z) is conservative and use this fact to evaluate the work done by F in moving a particle with unit mass along the curve C with parametrization r(t (sin t, t, 2t), 0 <t<T/2. 4. 8p] A thin wire has the shape of a helix x = sin t, 0 < t < 27r. If the t, y = cos t,...
1.6.5. f(z) = ?? 1.6.6. f(z) = sin. 1.6.7. f(3) = 3 1.6.8. f(z) = cos 2z. For 1.6.5-8, verify the Cauchy-Riemann equations for the functions.
1. The Fourier series expansion of the function f(x) which is defined over one period by 3_ z, f(z) = 쓸 +Σ1@n cos nπχ +h,sin ηπΖ] is 1<zc2. Find the coefficients an r sin ax cosar x cos ar dr = We were unable to transcribe this image 1. The Fourier series expansion of the function f(x) which is defined over one period by 3_ z, f(z) = 쓸 +Σ1@n cos nπχ +h,sin ηπΖ] is 1
4. (a Let (sin( x cos( ) dr + (x cos(x + y) - 2) dy. dz= Show that dz is an exact differential and determine the corresponding function f(x,y) Hence solve the differential equation = z sin( Cos( y) 2 x cos( y) dy 10] (b) Find the solution of the differential equation d2y dy 2 y e dx dæ2 initial conditions th that satisfi 1 (0) [15] and y(0) 0 4. (a Let (sin( x cos( ) dr...
Express the given product as a sum containing only sines or cosines. sin (80) cos (50) sin (80) cos (50) = (Simplify your answer, including any radicals. Use integers or fractions for any n
(16 points total) Let g(t) = (2-sin t)2, (a) (4 points) Find a rational function f(z) such that f(e)) 5. t (Hint: Let z = eit and express cost and sint in terms of z) b) (3 points) Find and classify all the isolated singularities of the function f(2) in part We were unable to transcribe this image
8Two vector fields are given: F(x,y,z) - (esin(yz), ze* cos(yz), ye* cos(yz)) and F(x,y,z) = (z cos y, xz sin y, x cos y). a) Determine which vector field above is conservative. Justify. Foly = fjol so, <ea sin(J2), 20% cos(82), y acos (92)) Conservative. b) For the vector field that is conservative, find a function f such that F - Vf. Lxelsing2, zetos yea, yet cosy 2 c) Use the Fundamental Theorem of Line Integrals to find the work...