KIU 7 6 marks Point A (3, 0) Point B (41,6) 1. For each point, sketch the angle in standard position to determine all six trigonometric ratios. 2. Determine the value of the principal angle and the related acute angle, where appropriate, to the nearest degree. T.\" 710 marks Given angle x, where 0" E m S 360\" and determine all possible values of x 3. 513712 2 % 4. cotx : 71 5. sec x = 2 6. 60.53 = g T. cscx: 72 K/U - 6 marks For each triangle, calculate the value of w to the nearest tenth of a metre. 8 5.5 m G 409 48 9 60.0 m 8 449 53% D Comm. - 4 Marks 10. To estimate the amount of usable lumber in a tree, Chitra must first estimate the height of the tree. From points A and B on the ground, she determined that the angles of elevation for a certain tree were and respectively. The angle formed at the base of the tree between points A and B is and A and B are 30 m apart. If the tree is perpendicular to the ground, what is its height to the nearest metre? App. - 6 Marks Given cost = where the terminal arm of the angle x lies in quadrant 2, evaluate the exact value of the trigonometric expressions. 11. sinxcosx 12. cotxtanx