Question 8 (2 points) 10. An equation of the line tangent to the graph of y = cos(2x) at x = " is (A) y-1= - x- (B) y-1= -2 x-1 (C) y=2 x-T (D) y= -x-Z (E) y= -2 x-1 OA OB OC OD OE