$(1$ point$)$

Solve the initial value problem

$\frac{dy}{dx}+2y=15sin(x)+35cos(x)$

with $y(0)=5.$

$y=$ help $($formulas$)$

Reminder: To find the anti$-$derivative of something like $e^{u}sin(u),$ the trick is to do integration by parts twice or you can use an integral table or look it up on the wwW$.$