hey i need help with this

30. Use your calculator to determine each trigonometric ratio, correct to four decimal places: a) sin100" (1 mark) b) cos325' (1 mark) 31. tan A = =2 a) Draw two possible locations on the coordinate axis for the terminal arm of angle A. (2 marks) b) Find two possible values for the measure of angle A and the related acute angle. (3 marks) 32. Elena likes to climb a vertical rock wall at an amusement park. From a point that is 10 m from the base of the wall, the angle of elevation of the top of the wall is 72". What is the height of the wall, to the nearest metre? (4 marks) 33. A length and angle are provided on this diagram of a sailboat, Create and answer your own question using these dimensions and the trigonometric concepts you have worked with. (5 marks) 7 80 4 m Source: Liisa Suurtamm34. Solve for the unknown sides and angles in the following triangle, correct to one decimal place. (6 marks) A 33.70 b 49.2" 27.3cm B 35. A patio umbrella is being designed in the shape of a square-based pyramid, as shown in the following diagram. The lengths of the sides of the base are all 2 m. The height AD of the umbrella is 0.5 m. Find the lengths of the sides of the triangular pieces (sides AB and AC) and the measure of ZBAC. (7 marks) B 2 m C