The answer is B. If you look at a graph of -tan (which is cot), the places the graph crosses -1 are at pi/4 plus kpi. If you add pi to pi/4, you get 5pi/4, and these two answers are in B only.
Im adding an answer so the other guy that gave an answer gets his points.
Answer:
B
Step-by-step explanation:
-2 x -0.7 + 3.2 = 3.2
1500
7.5
