Please answer questions. 8,9 and 10.

Find the derivative of the function. y = sin (2x + 1) -2 cot(2x + 1 )cec (2x + 1) X Need Help? RUN Submit Answer 9. [0/0.14 Points] DETAILS PREVIOUS ANSWERS SCALCET9 3.5.064. Find equations of both the tangent lines to the ellipse x" + 9y"= $1 that pass through the point (27, 3). smaller slope -x - 30 X anger slope V = Need Help s-1 Submit Answer 10. [0.07/0.14 Points] DETAILS PREVIOUS ANSWERS SCALCET9 3.5.037. A graphing calculator is recommended (a). The curve with equation y = 5x - x is called a kampyle of Eudoxus. Find an equation of the tangent line to this graph at the point (-1, 2). 19 IN