B B B B 5 3 22 V13 A A A A 4 2 2 7 Triangle A Triangle B Triangle C Triangle D FIGURE 1. Triangle (1) Draw the two special triangles. Label the sides with their lengths and give the angles in radians. (See Watch, Read and Think 6.2: Standard Triangles) (a) Explain how to use similar and special triangles to find angles o and o in Triangle A in Figure 1. Give these angles in radians. (b) Explain how to use similar and special triangles to find angles o and B in Triangle B in Figure 1. Give these angles in radians. (c) Explain how to use a special triangle to find cos(#/6) and give the answer. (2) Find the length of side c in Triangle C in Figure 1. (3) Find the angle o in Triangle C in radians. (4) Find the length of side a in Triangle D in Figure 1. (5) Find the angle y in triangle D in radians. (6) Convert 21 degrees to radians. (7) Convert - radians to degrees.TASK 3: FUNCTIDNS AND RELATIONS (1) Give the domain and range for the following functions: (a) y = rig {b} y = ,-"_,_, (2) Give an example of a. value of I that shows that r2 + 3,12 = 49 is not a. function, and explain Why