Pls answer for number 1 and number 2

Communicate Your Understanding C1 As the terminal arm moves counterclockwise from the positive x-axis around the circle, trace what happens to the sign of cos ( as you move from 0' to 360. Explain why this happens in terms of coordinates. Then, do the same trace for sin 0. Finally, trace what happens for tan 0. 4.1 2, if two angles and the side between them are given in a triangle, in how manys ways can you draw the triangle? Explain why using a diagram