(Solved): 2 4. a) Describe how to construct the trigonometric circle. (Draw a large and clear sketch of the t ...

2 4. a) Describe how to construct the trigonometric circle. (Draw a large and clear sketch of the trigonometric circle.) b) Does the point of coordinates (2,0) belong to the trigonometric circle? Explain. 5. Identify quadrants and symmetries relative to the following are lengths: (Draw a large sketch of the trigonometric circle and clearly illustrate the terminal points of the required arc lengths.) Explain. ,,, and (Sketch these four are lengths on the same trig, circle.) 6. Calculate the following: a) cos 45º = b) sec 180° c) sin ¹(¹) = d) cot= e) 2-³= f) log (1)