Will give brainliest for right answers1. which quadrant contains -11pi/18 and what is the reference angle? a) quadrant 2, 7pi/18 b) quadrant 3, 7pi/18 c) quadrant 2, 11pi/18 d) quadrant 3, 11pi/18 2. which of the following angles as a reference angle of 30°? a) 120° b) 150° c) 240° d) 315° 3. find tan, given that sin = -4/5 and cos > 0 a) -5/3 b) -4/3 c) 3/5 d) 5/4 4. suppose x is an angle in standard position with cos > 0. in which quadrant(s) could the terminal side of x lie? select all that apply. a) quadrant 1 b) quadrant 2 c) quadrant 3 d) quadrant 4 5. which of the following trigonometric ratios has a value that is undefined? a) cot 2 b) sec 3pi/2 c) tan pi d) csc pi/2