Alg2 Lesson 4T.8: The Tangent Function

Roles:
Facilitator
Scribe
Resourcer
Includer

Lesson Goals:
● Creative Thinking
● Talk through controversies and conflict
● Recognize and reduce ambiguity
● Encourage thinking based on formulas and prior info
● Help explain ideas to each other
● Own your ideas and work
● Record ideas in your journal
● Answer Questions on Slides
● Follow your team roles

Facilitator

• Make sure that all peers are staying on task.

• Give advice or suggestions to resolve the problem.

• Be sure everyone is able to explain.

Scribe

• Make sure peers organize their results on their own papers.

• Remind peers to use color, arrows, and other math tools to
communicate your mathematics, reasons, and connections.

• Be ready to join the teacher for a huddle.

Resourcer

• Make sure peers are getting the materials needed.

• Make sure that all materials are put away neatly.

• Make sure that peers are logged in to the needed site.

• Help troubleshoot any technology difficulties that may arise.

Includer

• Make sure that all peers are talking about their work.

• Helps keep peers’ voice volume low.

• Encourages everyone to ask questions.

• Communicates conflicts or questions to the teacher.

● Check off tasks & skills on calendar.

● Select skills to work on.

● Work on Deltamath.

Remember to work on the following too…

Part 1: Defining the Tangent

Function

Slope Review

What is the slope of the line that passes through the points…

●

(0, 0) and (2, 1)

●

(0, 0) and (-2, 5)

●

(0, 0) and (3, -7)

●

(0, 0) and (x, y)

The following figure shows an overhead view of island, with the lighthouse
centered at the origin, the bridge along the positive x-axis, and the beacon’s

ray of light after it rotates an angle that measures 0.9 radians.

Part 2: Describing

Characteristics of the

Tangent Function

Characteristics of Tangent Functions

Observations about this task 1

Observations about this task 2

Observations about this task 3

Observations about this task 4

Random Question of the Day Time

https://wheelofnames.com/4ke-epz We’ll spin the
wheel as a class and spend a minute or so
discussing our answers.