Dave's Web Corner

MTH-121 Week 8 (February 23-March 1)

• Outline
• Assessments
• Handouts
• Videos
• Technology

Outline

5.2 Sum and Difference Formulas

• recommended problems
  • 7, 13, 19, 23, 29, 33, 37, 41, 47, 51
• learning objectives
  • find the value of trigonometric functions using sum and difference formulas

5.3 Double-Angle Formulas

• recommended problems
  • 7, 13, 19, 23, 29, 33, 37, 41, 47, 51
• learning objectives
  • find the value of trigonometric functions using double-angle formulas
  • prove trigonometric identities using double-angle formulas

5.4 Half-Angle Formulas

• recommended problems
  • 9, 13, 19, 21, 25, 27, 29, 35, 41, 45
• learning objectives
  • find the value of trigonometric functions using half-angle formulas

5.5 Additional Identities

• recommended problems
  • 7, 9, 17, 19, 23, 25, 27, 31, 35, 43
• learning objectives
  • evaluate identities and formulas involving inverse functions
  • find the value of trigonometric functions using the product to sum formula
  • find the value of trigonometric functions using the sum to product formula

Assessments

• All assessments are completed at https://www.xyzhomework.com
• Calendar of all XYZ Homework assessment deadlines (homework, quizzes, exams)
• Homework
  • Homework 8 due by 11:59pm, Saturday, March 1: Sections 5.2, 5.3, 5.4, 5.5
  • Homework 9 due by 11:59pm, Saturday, March 15: Sections 6.1, 6.2, 6.3
• Quiz
  • Quiz 4 due by 11:59pm, Tuesday, February 25: Chapter 4
  • Quiz 5 due by 11:59pm, Tuesday, March 11: Chapter 5
• Exam
  • Exam 2 due by 11:59pm, Thursday, February 27: Chapters 3, 4, Appendix A

Handouts

• Announcements
  • Schmidt Award
  • Math Graduate Award
  • Honors Program introduction
  • Tutoring Center services
• Formulas
  • Fundamental Trigonometry Identities
• Graph Paper is a folder containing a variery of graph paper
• Applications
  • Approximations of Trigonometric Function Values
  • Solutions and Applications of Right Triangles
  • Further Applications of Right Triangles
• Radians
  • Radian Measure
  • Applications of Radian Measure
  • Linear and Angular Speed
• Unit Circle
  • The Unit Circle
  • The Unit Circle Segments
  • The Unit Circle and Circular Functions
• Function Graphs
  • Trigonometric Function Graphs
  • Inverse Trigonometric Function Graphs
  • Graphs of the Sine and Cosine Functions
  • The 12x4 Box Method
  • Graphs of the Tangent and Cotangent Functions
  • Graphs of the Secant and Cosecant Functions
  • Translations of the Graphs of Sine and Cosine Functions

Videos

• Playlists
  • MTH-121 Recommended Problems
  • MTH-121 Topics
• Recommended Problems
  • Chapter 4
  • Chapter 5
• Topics
  • Right Triangles
    • Three Famous Right Triangles
  • Similar Triangles
    • Using Similar Triangles
  • Trigonometric Functions
    • Defining the Trigonometric Functions
  • Simplifying and Identities
    • Simplifying to Expressions with Sine and Cosine

Technology

• Communication
  • Zoom
  • Joining a Zoom Webinar
• Calculator
• Desmos
  • Visualizing Sine and Cosine as Circular Functions
  • Graphs of Sine and Cosine Functions
  • The Bounding Box