x=2,y=-3,r=√(x²+y²)=√13
sinα=y/r=-3/√13=-3√13/13
cosα=x/r=2/√13=2√13/13
tanα=y/x=-3/2
2sinα+cosα+tanα
=-6√13/13+2√13/13-3/2
=-4√13/13-3/2
=-(8√13+39)/26