14. The derivative of y = tan (x + ) is the same as the derivative of A. y: 12:31: 2tanx 3' y: 1+tan x c- His: 0- ts: Use the following information to answer question 15. 15. If f ( x} = 2 sin 1: and g(x) = cos x , then the solutions of the trigonometric equation 2sin x=cos x are the y-intercepts of both f and g the x-intercepts of both f and g the yvalues at the points of intersection of the graphs of f and g the x-values at the points of intersection of the graphs off and g POP\