Given tanø=(4/3) and 0<ø<(3pi/2) find cos20

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g