A friend did the first part for me, but im not sure how he did it.
Also not sure how to calculate the x and y components

Gauss's law?

Lambda (no idea how to type the symbol here) simply tells you charge per length. Literally just take the length of the arc and divide by the charge.

3.6 x 10^-6 divided by er...wait a second, gotta find the length don't we!

if radius is .06 m (notice i had to convert), the circumfrence of the whole circle would be 2*pi*.06 = 0.37699 meters

so divide it by four and boom, you get the length of that quarter circle, which is .0942478 m

So charge per length.....

3.6 x 10^-6 divided by .0942478 = 0.000038 coulumbs/meter.......better written as 3.8 x 10^-5 IMO

Btw for the electric field calculation, you can pull a totally cheap-ass trick and exploit the fact that circles are symmetrical. Give the middle finger to calculus and just assume the entire charge is concentrated in the middle of the arc.