I need a little help as I am not sure of my footing

I have to Solve the initial value problem

dy/dx = cos(5x)/7+sin(5x), y=6 when x=0

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- Mar 5th 2013, 12:20 PMlandmarkInital value problem
I need a little help as I am not sure of my footing

I have to Solve the initial value problem

dy/dx = cos(5x)/7+sin(5x), y=6 when x=0 - Mar 5th 2013, 12:59 PMSironRe: Inital value problem
Note that the ODE is separable.

- Mar 5th 2013, 01:03 PMlandmarkRe: Inital value problem
I do not understand what you mean

- Mar 5th 2013, 01:11 PMSironRe: Inital value problem
I mean:

Can you continue? - Mar 5th 2013, 01:19 PMlandmarkRe: Inital value problem
I can follow that but I think I wrote the initial problem badly it should read (cos(5x))/(7+sin(5x))

- Mar 5th 2013, 03:18 PMSorobanRe: Inital value problem
Hello, landmark!

Quote:

We have: .

Integrate: .

Let

Substitute: .

Back-substitute: .

Initial values:

. .

Therefore: .

. . . . . . . . .

. . . . . . . . .

. . . . . . . . .

- Mar 6th 2013, 11:01 AMlandmarkRe: Inital value problem
I was half way there, but was struggling.

Thanks a million

Landmark