Using trigonometric identities, complete the following statement: 1+ tan - 8 = O A. sec2 0 O B. - sec- 8 O C. csc2 0 O D. - csc2 0A point has Cartesian coordinates (3.4). What are the polar coordinates, in degrees, of the point? 0 A. (536.9\") 0 B. (5.53.1") O 0. (5.1261?) 0 D. (11431\") 2 2 The graph of "_y_ :1 is an example of which conic section? 4 9 O A. ellipse O B. circle 0 C. parabola O D. hyperbole \fWhich of the following points are on the graph of y: 3 cos x? Select all that apply. D A [5 ] 4' 2 :1 B. (0,3) :1 0. (0,0) \fWhat is the value of x in the system below? Solve the system by substitution. 1 2y+12 =0 y=3x+1 O A.2 Given sin 2a = n, which of the following must be true? Select all that apply. O A. csc 20 =_ O B. sin(-2a) =-n O C. 1- cos 2a = 2n O D. sin a cosa = O E. costa - sin a = nWhat is the equation of an ellipse centered on the origin with a vertex at (0. 6) and minor axis length of 8? O 2 2 A. X_+y_=1 16 36 O B_ 2 2 x_+y__1 36 16 O C. x: i=1 36 64 O 2 2