Find a normal vector n to the tangent plane to the surface 2=-393+22 at the point (x, y, z) = (-1, 4, -191) and enter your answer in the box below using Maple syntax. 1 = Find [5111(73) cos(3 :12) d3? and enter your answer in the box below using Maple syntax. [sin'mj cos(3:r:) dw : [Q +0 Using the standard method, the integral / sin a cos x dac has the form sin5 x cos' x de = 15sin 'x + 14sin 4x + 13sin 3x + 12sin 2x + aqsinix + 10sin x + agsin'x + agsin ox + aysin x + C Find this integral and enter the coefficents requested below. a7 = Number ag = Number ag = Number a10 = Number a11 = Number