The following function accepts the arguments $($x$,$ y$)$ and the function will calculate and return the value of

z

$=$

x

$3$

cos

$($

x

$)$

$+$

$5$

sin

$($

$\backslash$pi

$+$

y

$)$

Complete the function definition. Assume x and y are parameter variables. $($Avoid spaces in your answers$)$