Question 11 (Essay Worth 10 points) (05.02, 05.03 HC) A sailmaker is designing a mainsail for a newly constructed sailboat. The mainsail foot is 13 feet long, the luff is 10 feet long, and the luff makes a 54 angle at the head with the leach. Head Part A: Determine the length of the leach. (5 points) Part B: Find the area of the mainsail. (5 points) Question 12 (Essay Worth 10 points) (05.04, 05.05 HC) Letx=_16_'r 3 Part A: Determine the reference angle of X. (4 points) Part B: Find the exact values of sin x, tan x, and sec x in simplest form. (6 points) IE3