дz дz 1. In the equation, x sin y - y cos z + xyz = 0, z is a function of x and y. Find and ду" дх D- 1) and o- (-11 1)
5. 2 cos x cos y= cos(x+y) + cos (x-y) 6. sin2x + sin 2y = 2 sin(x+y)cos(x-y)
8. Let y = x2 cos x, Find y' 9. Let g(x) = -2 cos x, Find g'(x) 10. Find F(x) = (4x + 3)5, Find F'(x) BONUS QUESTION (15 POINTS Let y = (4x - 3)(x - 1)5; Find y"
Results for this submission Entered Answer Preview Result (3/2)+(6/pi)*cos(x) e + cos(2) correct (3/2)+(6/pi)*cos(x)-(2/pi)*cos(3*x) 3 6 st-ce 2 s(3x) correct (3/2)+(6/pi)*cos(x)-(2/pi)*cos(3*x)+(6/5)*pi*cos(5*x) it coule) = _ cou(30) + * cos(52) incorrect A correct f(x) f(x) correct At least one of the answers above is NOT correct. 1 (1 point) (a) Suppose you're given the following Fourier coefficients for a function on the interval (-1,7): a 3 6 6 6 = , ai = –, az = -2,25 = = and 22,...
y = cos(9.2) dy Find Type sin(x) for sin(x), cos(x) for cos(2), and so on. Use x^2 to square x, x^3 to cube x, and so on. Use (sin(x) y^2 to square sin(x). Do NOT simplify your answer.
1. cos 4 x-sinº x = cos 2x 6 6 2. sin x + COS x = 1-3sin ?x cos” x 3. cos 2x = 1-tanx 1+tanx 4. 2sinx cosx = cos(x-y) – cos (x+y)
6) a) Find the area of the circle (x-3)+ y'- 9 using polar coordinates b) Find the area of the region below the cardioid r = 1 + cos(9) and above y = 1x1.
6) a) Find the area of the circle (x-3)+ y'- 9 using polar coordinates b) Find the area of the region below the cardioid r = 1 + cos(9) and above y = 1x1.
Find a solution
6. (e* sin y + tan y)dx + (e* cos y + x(sec y)2)dy = 0.
find a solution
6. (e* sin y + tan y)dx + (e* cos y + x(sec y)2)dy = 0.
Find a solution
3. (1+x)y' + y = cos 2x.