If tan 0 = 4 and the terminal side of a lies in quadrant III find sec 0. If cot 0 = 2 and the terminal side of a lies in quadrant III find sec o.
If sin 0 1 and the terminal side of 0 lies in quadrant III find cos 0.
There are 3 questions please help btw they are separate please help

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.