Unit 1: Trigonometry Name: _____________________________ MBF 3C - UNIT GUIDE 2014 Concept/Skill Practice Problems 1.0 Activate Prior Knowledge Introduction to the course Review prior knowledge essential for this unit Worksheet CC-56 a) For the Canadian flag, the ratio of width to length is 1:2. What is the perimeter of a Canadian flag that is 12 ft. long? Are all Canadian flags similar shapes? Explain using a diagram. b) Solve for each unknown x 13 = 9 39 c) A baseball diamond is a square with side length 90 ft. What is the distance between first and third base? 1.1 Trigonometry and Trig Ratios I can use the primary trigonometric ratios to find the measures of side and angles of a right triangle. Worksheet CC-58 CC-59 a) In triangle ABC, <C is a right angle, side c is 22m and side b is 17m. Draw a diagram and find the measure of <A to the nearest degree. b) What does SOC-CAH-TOA stand for? 1.2 Trigonometry I can use the primary trigonometric ratios to find the measures of side and angles of a right triangle. Get textbooks today! Page 15 #3, 4, 8 Page 16 #6, 7 2. From an airplane 420 m above the ground, the angle of depression of the end of the runway is 32 0 . How far is the end of the runway along the ground? Ans: 672.1 m 1.3 The Sine Law - I can use the sine law to solve acute triangles. Practice Quiz Page 25-26 #3, 5, 6,