Two wires support a utility pole and form angles a and B with the ground. Find the value of tan(a-B) in cos a= 4/5 on the interval (270, 360) and sin B= -5/13 on the interval (270, 360). Screenshot of the problem below.

the answer is 45 i just did it on oddesy ware

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!

its 50 miles away from the starting point

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.