Question

how do i get this part

Answer 1

https://gyazo.com/966bf636f4c02ec4732bd92720c9d209

Answer 2

I mean https://gyazo.com/cd7fd0d00bea9df5da158de7d6363c16

Answer 3

like how do i derive the epsilon 0, 0

Answer 4

it it \[\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}}\sin(x)\cos(x)dx\]

Answer 5

oh no i misread it

Answer 6

\[\Psi_0=\cos(0)=1\]

Answer 7

so i assume that the inner product is here is the integral right?

Answer 8

\[\int_{-\pi}^{\pi}1dx=2\pi\]

Answer 9

got it
thanks

Answer 10

yw