Find the partial derivatives of the functions at the indicated point
`g (x,y) = 3x ^(2)+y^(2) +5x +2, (1,-2)`

Find the partial derivatives of the functions at the indicated point f (x,y) =3x ^(2) - 2xy + y ^(2)+ 5x+2, (2,-5)

Find the partial derivatives of the functions at the indicated point G (x,y) = e ^(x+3y) log (x ^(2) + y ^(2)), (-1, 1)

Find the partial derivatives of the functions at the indicated point h (x, y,z) =x sin (xy) + z ^(2)x, (2, (pi)/(4), 1)

Find the derivative of the function at the indicated point: sin x \ at \ x=pi/2

Find the derivatives of the following functions at the indicated points. cos(2x + pi/2) at x = pi/3

Find the derivatives of the following functions at the indicated points. cotx + sec^2 x - 5 at x = pi/6