Dave's Web Corner

MTH-121 Week 12 (March 23-29)

• Outline
• Assessments
• Handouts
• Videos
• Technology

Outline

7.4 The Area of a Triangle

• recommended problems
  • 3, 5, 7, 9, 11, 12, 15, 17, 19, 21
• learning objectives
  • find the area of a triangle from two sides and a given angle
  • find the area of a triangle from two angles and a given side
  • find the area of a triangle using Heron's formula

B.1 Vectors

• recommended problems
  • 5, 11, 17, 21, 23, 29, 31, 37, 39, 43, 47, 49, 53, 55
• learning objectives
  • know vector notation in component form
  • add and subtract vectors in component form
  • add and subtract vectors graphically
  • use vectors to solve applied problems

B.2 Dot Product of Vectors

• recommended problems
  • 3, 5, 7, 13, 15, 17, 21, 23, 27, 29, 37, 39, 45, 49, 55
• learning objectives
  • find the dot product of two vectors
  • determine the angle between two vectors
  • determine whether two vectors are orthogonal
  • calculate the projection of a vector onto another vector
  • calculate the parallel and perpendicular components of a vector
  • solve applied problems using dot products

Assessments

• All assessments are completed at https://www.xyzhomework.com
• Calendar of all XYZ Homework assessment deadlines (homework, quizzes, exams)
• Homework
  • Homework 11 due by 11:59pm, Saturday, March 29: Sections 7.4, B.1, B.2
  • Homework 12 due by 11:59pm, Saturday, April 5: Sections B.3, B.4, 8.1, 8.2
• Quiz
  • Quiz 6 due by 11:59pm, Tuesday, March 25: Chapter 6
  • Quiz 7 due by 11:59pm, Tuesday, April 1: Chapter 7
• Exam
  • Exam 3 due by 11:59pm, Thursday, March 27: 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 6
  • Chapter 7
• Topics
  • Right Triangles
    • Three Famous Right Triangles
  • Simplifying and Identities
    • Simplifying to Expressions with Sine and Cosine
  • Right Triangle Trigonometry
    • Two Right Triangles I
    • Two Right Triangles II

Technology

• Communication
  • Zoom
  • Joining a Zoom Webinar
• Calculator
• Desmos
  • Visualizing Sine and Cosine as Circular Functions
  • A Line Through Two Points
  • The Vertex Form of a Parabola
  • Roots of Quadratic Equations
  • Graphs of Sine and Cosine Functions