question 1.2.3

Mr. Wang Assignments IV (5marks in each question, total 185marks.) Full Name: You MUST show all necessary steps, correct answer without showing steps only award 1 mark) 1. Draw each angle in standard position. Change each degree measure to radians and each radian measure to degrees. (a) -270 Ans. ( b ) 7 TC 6 Ans. 2. For each angle in standard position, determine one positive and one negative angle measure that is coterminal with it. (a) 270 High SchoolAns. (b) EST 1996 Ans. 3. If a represents the length of an arc of a circle with radius r, subtended by a central angle of 0, determine the missing quantity. Give your answers to the nearest tenth of a unit. (a) r=8.7 cm, 0 = 750 , a = cm BEYOND THA LIMIT Ans. 1