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

Find the derivative of the following function at the indicated point: sin2x"\ "a t"\ "x=pi/2

Find the derivative of the following function at the indicated point: s in x backslash at x=backslash(pi)/(2)

Find the derivative of the following function at the indicated point: x"\ "a t"\ "x=1

Find the derivative of the function x.e^(x) sin x

Find the derivative of the following function at the indicated point: sin2x backslash at x=(pi)/(2)

Find the derivative of the following function at the indicated point: 2cosx"\ "a t"\ "x="\ "pi/2

Find the derivatives of the following functions at the indicated points. 9 sin x + si n3x at x = pi/3

Find the derivative of the following function at the indicated point: 2cos x backslash at backslash x=backslash(pi)/(2)

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