HSF-TF.C.9

(+) Prove the addition and subtraction formulas for sine, cosine, and tangent and use them to solve problems.

 
26 Lesson(s)
   

Playing with the Numbers

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

Students transform equations and graphs of trig functions to earn points and win the game!

 
Favorites (3)
 
Resources (22)
 
Reflections (3)
playing with numbers
   

Unit Review Game: Lingo

12th Grade Math » Unit: Trigonometric Relationships
12th Grade Math » Unit: Trigonometric Relationships
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

Today's review game will bring high energy and deep thinking into the classroom.

 
Favorites (6)
 
Resources (6)
untitled
   

Unit Assessment: Trigonometric Relationships

12th Grade Math » Unit: Trigonometric Relationships
12th Grade Math » Unit: Trigonometric Relationships
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

Assess your students' understanding of this unit.

 
Favorites (1)
 
Resources (3)
exam
   

Does cos(A - B) = cos(A) - cos(B)?

12th Grade Math » Unit: Trigonometric Relationships
12th Grade Math » Unit: Trigonometric Relationships
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

Students disprove a potential identity and then derive the real cos(A - B) formula.

 
Resources (12)
 
Reflections (1)
cos a b formula
   

Sum and Difference Day 1 of 2

12th Grade Math » Unit: Trigonometric Identities
12th Grade Math » Unit: Trigonometric Identities
Katharine Sparks
Independence, MO
Environment: Suburban
 
Big Idea:

After analyzing a proof for the sum of angles sine formula, students work to produce the other sum and difference formulas.

 
Favorites (1)
 
Resources (18)
 
Reflections (2)
team work
   

Midterm Review Workshop

12th Grade Math » Unit: Midterm Review and Exam
12th Grade Math » Unit: Midterm Review and Exam
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

Students work on midterm review and let you know what they still need help with.

 
Resources (3)
untitled
   

Weather Ups and Downs

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

This lesson is awesome because it gives your students a real world connection to periodicity using weather data. They get to fit a sine and/or cosine graph to actual data!

 
Favorites (7)
 
Resources (11)
weather ups and downs
   

When Will We Ever Use This

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

Want a good answer to “When will we ever use this?” This lesson gives students an opportunity to explore applications of inverse trig functions.

 
Favorites (1)
 
Resources (9)
when will we ever use this
   

Tangent Modeling

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

This lesson is awesome because it gives your students a connection to tangent periodicity using a real-world example. They generate data and create a tangent equation that fits it.

 
Favorites (2)
 
Resources (9)
tangent modeling image
   

Trig Review

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

If you hate reviewing for an exam, maybe this lesson is for you. Let your students take charge of their review and see how much more you all get out of the process!

 
Favorites (1)
 
Resources (19)
trig review
   

Here's Proof

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

Pythagoras again!? Make everybody happy – give your students another chance to connect trig functions to something they already understand.

 
Resources (11)
here s proof
   

Pluses and Minuses

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

Automobiles, photography, music, weights…what do these have in common? Trigonometry, of course!

 
Resources (10)
pluses and minuses
   

Touching Tangents

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

This lesson is awesome because students get to explore tangent graphs and asymptotes with and without a graphing calculator

 
Favorites (1)
 
Resources (14)
tangents image
   

Double or Half

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

Double or nothing? No, double or half – angle formulas that is. Let students practice using these formulas to simplify or solve trig functions.

 
Resources (9)
double or half
   

Which Way Do We Go?

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

Which way do we go? Help your students learn strategies for choosing which trig function makes the best model for real-world data.

 
Resources (11)
which way do we go image
Common Core Math
 
Something went wrong. See details for more info
Nothing to upload
details
close