Pre-Calculus Trig

A collection of activities designed for MAT 172, a community college course taught in North Carolina.

• MAT 172 - First Day
• Trig Unit I
• Trig Unit II
• Trig Unit III
• Trig Unit IV
• TrigFacts Practice: Rough Draft Polar Practice
• Law of Sines and Cosines: draft
• MAT 172 Unit I Test
• MAT 172 - Unit III Test
• Unit Circle Side by Side
• 2020SP Unit III Test MAT 172
• MAT 172 - Last Check In
• 2020SP MAT 172 Online Final Exam
• 172 Class Template
• DollyPartonChallenge: Trig Version
• Path around a circle.
• 4.3: Triangles and One Unit Circle
• Heart Shooter
• TrigFacts: Every 15 Degree Angles
• 5.4 Sum & Diff Part II
• Check-In: Angle πcks
• TrigFacts : sine & cosine every 15 degrees
• 6.5 Geometric Perspective of Complex Number Operations
• 26SP MAT 172-800 Syllabus
• Check-In: Angle Golf
• Foldable Degree Art
• 4.4 Practice with Values
• Degree Golf
• Unit 4 Project: Complex Numbers to a Power

• Check-In

• Section 4.1 Check-in
• Check-In: Angle Estimation
• Check-In: Trig Mnemonics
• Check-in: New Trig Names
• Check-In: Daily Sun Altitude
• Section 8.1 and 8.2 Check-In
• Check-In: Random Polar Art
• Check-In: Nightingale Charts
• MAT 172 - Week 3 Check-in
• MAT 172 - Week 12 Check-In
• MAT 172 - Week 14 Check-In
• Week 18 Check-In
• MAT 171 Journal 3

• TrigFacts Practice

• TrigFacts Practice: Angles
• TrigFacts Practice: sine & cosine values
• TrigFacts Practice: sec(t), csc(t), tan(t), ref angles
• TrigFacts Practice: Trig Values Graph
• TrigFacts Graph Max Min Avg Period
• TrigFacts Practice: Refliprocal Trig Values Graph
• TrigFacts: arcsine arccosine
• TrigFacts: Polar Direction and Angles
• Round II - TrigFacts Practice: Trig Values Graph
• Round II: TrigFacts Practice: Angles (OLD)
• Round II-TrigFacts Practice: sine & cosine values
• Round II: TrigFacts Practice: sinθ, cosθ, tanθ values

• Unit I

  Section 5.1, 5.2, 5.3, 5.4

• First Day for MAT 172 (old)
• 4.2 Six Trig Functions on the Unit Circle
• Polygraph: Radian
• Polygraph: Positive Radian
• Cover All Angles
• Locked In
• Radian Estimation
• Angle Estimation
• Estimating Radians on a Line
• Degree Art
• Angle Art II: Seeds in a Flower
• 4.1 Circle Speed
• Lab 4.1 Radian and Degree
• Lab 5.1 Linear and Angular Speed
• 4.2 Points on Circle
• 4.4: Sine and Cosine with Reference Angles
• Cover All Angles by Trig Values
• Cosine
• Triangle Trig Estimation
• 4.4: Trig Functions of Any Angle
• What's that point?
• 4.2 Match My Ferris Wheel
• Ferris Wheel Card Sort
• A Funeral for Some Old Hippy

• Unit II

  Section 6.1, 6.2, 6.3, 8.1, 8.2

• Polygraph: Periodic Functions
• 4.5 Sine of a Ferris Wheel
• 4.5 Sketch Sine & Cosine Curves
• Sketch Sine & Cosine Curves with Increment Values
• 4.5 Burning Daylight
• Daylight Gallery (Degree Mode)
• Unit II Project: Daylight Gallery and Poster
• 4.5 Horizontal Shifts for Trig Functions
• Horizontal Shifts for Trig Functions with Increment Values
• Trigonometric Graphing: Introduction to Amplitude and Vertical Shift
• Trig Marbleslides
• 4.6 Graphing Other Trig Functions
• 4.7 Inverse Trig Functions
• 4.7 Triangles and Inverse Trig Functions.
• 6.1 Law of Sines
• 6.2 Circle and x-axis: Law of Cosines
• Triangle Maker

• Unit III

  Sections 6.3, 6.6, 10.6, 10.7

• Polygraph: Polar Points
• 10.7 Match My Polar Points
• King: 8.4 Introduction to Polar Graphing
• 10.8 Introduction to Polar Graphing
• 10.8 Types of Polar Graphs
• Polygraph: Complex Numbers
• 6.5 Forms of a Complex Number
• 6.5 Operations of a Complex Number
• 6.5 Roots of Complex Numbers
• 6.3 Vector Intro
• Polygraph: Vectors
• 10.6 Plotting Parametric Points
• 6.3 Vectors Notations
• Vectors Intro II
• 10.6 Intro: Double Ferris Wheel
• 10.6 Parametric Path
• A Directed Path
• Visualizing the Imaginary

• Unit IV

  Section 5.1, 5.2, 5.3, 5.4, 5.5

• 5.1 Strategies with Trig Identities
• Cardsort Trig Identities
• Trig Identities
• 7.5 Solving Trig Equations Cardsort
• 5.3 Solving Trig Equations
• 5.4 Sum & Difference Identities
• Unit III Project: You-nit Circle
• Double Angular Speed

• Extra Activities

• MAT 172 Unit II Test
• Some Cosine Identity
• Trig Construction
• e, π, and i, oh my!