Find x(t) and y(t) by substitution/elimination. dx 9y + 20 cos(t) dt dy dt 10 cos(t) x – -

Q: dy (b) Find ,where y = cos ecx –4 r +7 dx

A:

Q: y+ 2y+ 4y = x.cos3x

A:

Q: (sinxy +xy cos xy) dx + x² cosx y d y = о

A: The solution is given as

Q: dly dx2 - 2 dy dx -3y = COS X

A: The given differential equation is d2ydx2-2dydx-3y=cosx. We have to find the solution of the given…

Q: cos 2x dx (b) 4 cos t dt 0 2

A: Since you have posted multiple questions, we will solve only first question for you. To getremaining…

Q: Ssin(2x+3)dx= d -1 cos(2.x+ 3)+C 2 a 5 cos(2.x + 3)+C -1 cos(2x+3)+C - cos(2x+3)+ C e cos(2x +3)+ C

A:

Q: Find the differential dy of the function y=-2²-3x - 2. Select one: O a. (-x-3)dx. O b. (-2x - 3)dx O…

A: dxndx=nxn-1d(constant)dx=0

Q: Let y = cos(2x) 9x²+3 Calculate dy dx

A: Given function, y=cos(2x)9x2+3

Q: 9. Find the equation in factored form for a parabola that has zeros -4, and 8, and passes through…

A: let the general equation of parabola is y=ax2+bx+c -4 is one of the zero of the parabola ,…

Q: cos(t) = cos(t+2pi)?

A:

Q: dw Use the Chain Rule to find , where w = sin 8x cos 4y, x= dt , and y = t. dw dt (Type an…

A: Given w= sin(8x)cos(4y), x=t/2 , y=t3

Q: T/2 V1+cosx dx T/3

A:

Q: 3) S cos(Inx) dx

A: according to guidelines we should able to do only one question at a time #3

Q: Find d²y/dx² if y = x cos(2x) - sin²(x). Answer:

A:

Q: Find the differential dy of the function y = 4x²-x+ 3 Select one: O a. (8x-1)dx O b. (x²-x² + 3x) dx…

A: Solve for the differentiation

Q: (3x³ + 1) cos 3x dx

A: Given I=∫x3+1ex+1dx we can write it as I=e∫x3+1exdx Integrating by part I=ex3+1ex-∫ddxx3+1exdx+C…

Q: d -(cos(x² – 2x)) dx Evaluate

A:

Q: dy dx = Let y = (3+ cos² x)8

A: please see the attached solution belowExplanation:I write all answers after simplification

Q: Find dy if sin x + 1 = cos y dx²

A:

Q: 02 for the function : a x Find x² sin ( y³ + x e³z - cos ( z? ) = 3 y - 6 z + 8 .A 2 x sin ( 3y ) +…

A:

Q: dx dt 2w3 d. dw Sin (x)-InIxldx

A:

Q: Find dY for the function y= cos² 3X+ VSin x dx

A: