# U4 – Trigonometry

 Chapter 4 Trigonometry Day Topic/ Section Teacher Files/Instructions Student Work 4.1 Special Angles Work through examples of 30,60,45 degree triangles. Complete the worksheet for homework. 4.2 Co-terminal Arm & Related Angles Discuss the terms, Terminal Arm, Principal Angle, Related Actue Angle. Students will complete the Investigation for homework. 4.2 Co-termina Arm & Related Angles Examples Pg. 238 # 4ab, 5 Determine θ, if  a) cos θ = 0.6018 b) sin θ = -0.342 c) tan θ = -0.7   Pg. 239 #7 – 10 Completed in class notes 4.3 Reciprocal Trigonometric ratios Pg. 246 # 3, 4, 10 – 12 4.4 Problems in 2-D Solve ∆ABC in each scenario:a) ÐA = 58o , a = 12, and c = 10b) ÐA = 35o , a = 6, and b = 8c) ÐA = 50o , a = 10, and b = 20d) ÐA = 32o , a = 30, and c = 42 4.4 Problems in 2-D part 2 Pg. 255 # 3, 4, 7, 8, 10, 28 4.5 Problems in 3-D Pg. 266 # 3, 5, 7, 14 4.6 Trig Identities 4.6 Trig Identities Day 2 & 3 4.6 Trig Identity Assessment (TIPS Assignment) Review/Test pg. 276 #2, 4-6, 9-12 Getting Ready for Unit 5 Thursday May 12: Students are to work on Prerequisite skills. HW. pg. 282 #1-18 Friday May 13:  Students are to read and make notes on pages 285 – 289. Pay careful attention to examples 1 & 2. They are to put in their notes definitions on Cycle Period Periodic Function Amplitude The students are to complete “5.1 Introduction to Periodic Motion” for homework, if not completed in class