Dave's Web Corner

MTH-121 Week 9 (October 20-26)

• Outline
• Assessments
• Handouts
• Videos
• Technology

Outline

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

6.1 Solving Trigonometric Equations

• recommended problems
  • 5, 9, 15, 19, 25, 29, 33, 37, 43, 51
• learning objectives
  • solve trigonometric equations using the properties of equality

Assessments

• All assessments are completed at https://www.xyzhomework.com
• Calendar of all XYZ Homework assessment deadlines (homework, quizzes, exams)
• Homework
  • Homework 9 due by 11:59pm, Saturday, October 26: Sections 5.4, 5.5, 6.1
  • Homework 10 due by 11:59pm, Saturday, November 2: Sections 6.2, 6.3, 6.4, 7.1
• Quiz
  • Quiz 5 due by 11:59pm, Tuesday, October 29: Chapter 5
  • Quiz 6 due by 11:59pm, Tuesday, November 5: Chapter 6
• Exam
  • Exam 3 due by 11:59pm, Thursday, November 7: Chapters 5, 6

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

Videos

• Playlists
  • MTH-121 Recommended Problems
  • MTH-121 Topics
• Recommended Problems
  • Chapter 4
• Topics
  • Right Triangles
    • Three Famous Right Triangles

Technology

• Communication
  • Zoom
  • Microsoft Lens
  • Apple Notes
  • Adobe Scan
  • Joining a Zoom Webinar
• Calculator
• Desmos
  • Visualizing Sine and Cosine as Circular Functions
  • Graphs of Sine and Cosine Functions