expand 3sin(4x)+4cos(10x) in to functional

expand 3sin(4x)+4cos(10x) in to functional series of e(exp)ix
1. 2 answers
2. asked by galatee
3. 419 views
Show that integrate.[e^(-4x)*(cos 3x)] from 0-infinity =4/25I got the answer(without applying limits) as, {(e^(-4x) )[3sin(3x) -
1. 2 answers
2. asked by Shenaya
3. 724 views
How would I differentiatey = 4cos(2x)cos(3x) u = cos(2x) u' = -2sin(2x) v = cos(3x) v' = -3sin(3x) This is all I have so far
1. 1 answer
2. asked by Hannah
3. 479 views
Find the derivative of y with respect to x:y=3sin^4(2-x)^-1 y=[3sin(2-x)^-1]^4 y'=4[3sin(2-x)^-1]^3 (-3cos(2-x)^-1)(-1)
1. 0 answers
2. asked by sh
3. 602 views
Find f'(x) if f(x)=sin^3(4x)A. 4cos^3(4x) B. 3sin^2(4x)cos(4x) C. cos^3(4x) D. 12sin^2(4x)cos(4x) E. None of these I got D using
1. 1 answer
2. asked by Anonymous
3. 586 views
Can you help me with this? I did this many times and got different answers each time.Find f. f ''(x) = 3e^x + 3sin(x) f(0) = 0
1. 1 answer
2. asked by Kay
3. 677 views
Given below are the some of the function of x and t to represent the displacement(transverse or longitudnal ) of an elastic wave
1. 0 answers
2. asked by Raj
3. 624 views
Identify the polar form of the linear equation 4x+3y=10.x=rcos(theta),y=rsin(theta) 4x+3y=4rcos(theta)+3rsin(theta)=10
1. 2 answers
2. asked by Jon
3. 656 views
The graph of r(t)=<t- 3sin(t)/2,1- 3cos(t)/2,t> For which values of t is the curvature largest?I don’t know why my answer is
1. 2 answers
2. asked by #1
3. 645 views
Identify 4 functional group: HO-HO-BENZENE RING-CH2-CH-NH2-C=O-OH1)carboxylic acid functional group 2)amine functional group
1. 3 answers
2. asked by john
3. 989 views