Can someone do this for me, show all the steps pls, you

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it. find the area of the sidewalk.