Find an equation for the line tangent to the curve at the point defined by the given value of t. Also, find the value of at this point. dy dx x = 16 cost, y = 4 sint, t= - A Find dy dx dy dx A Find the slope of the tangent line at t = - The slope is The equation (Type an exact answer, using radicals as needed.) represents the line tangent to the curve at t= The value of at t= dy dx (Type an exact answer, using radicals as needed.) I is 4