HSF-TF.C.8
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- HSF-TF.C.8Prove the Pythagorean identity sin^{2}(θ) + cos^{2}(θ) = 1 and use it to find sin(θ), cos(θ), or tan(θ) given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle.
- HSF-TF.C.9(+) Prove the addition and subtraction formulas for sine, cosine, and tangent and use them to solve problems.
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HSF-TF.C.8
Prove the Pythagorean identity sin^{2}(θ) + cos^{2}(θ) = 1 and use it to find sin(θ), cos(θ), or tan(θ) given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle.
39 Lesson(s)
Playing with the Numbers
Algebra II »
Unit: Trigonometric Functions
Algebra II »
Unit: Trigonometric Functions
Big Idea:
Students transform equations and graphs of trig functions to earn points and win the game!
Standards:
Favorites
(3)
Resources
(22)
Reflections
(3)
Unit Review Game: Lingo
12th Grade Math »
Unit: Trigonometric Relationships
12th Grade Math »
Unit: Trigonometric Relationships
Big Idea:
Today's review game will bring high energy and deep thinking into the classroom.
Standards:
Favorites
(6)
Resources
(6)
What do Triangles have to do with Circles?
Algebra II »
Unit: Trigonometric Functions
Algebra II »
Unit: Trigonometric Functions
Big Idea:
How is the unit circle related to "triangle measurement"? A story of two equivalent definitions.
Standards:
Favorites
(13)
Resources
(17)
Reflections
(1)
Unit Assessment: Trigonometric Relationships
12th Grade Math »
Unit: Trigonometric Relationships
12th Grade Math »
Unit: Trigonometric Relationships
Big Idea:
Assess your students' understanding of this unit.
Standards:
Favorites
(1)
Resources
(3)
Final Exam Review Stations (Day 1 of 3)
12th Grade Math »
Unit: Review
12th Grade Math »
Unit: Review
Big Idea:
Students review by working through various stations at their own pace and receive immediate feedback on their work.
Standards:
Favorites
(6)
Resources
(23)
Reflections
(1)
Sum and Difference Identities
12th Grade Math »
Unit: Trigonometric Equations
12th Grade Math »
Unit: Trigonometric Equations
Big Idea:
The love story of Sinbad and Cosette helps students to remember and apply the sum and difference identities.
Standards:
Favorites
(1)
Resources
(17)
Reflections
(1)
Proving Identities
12th Grade Math »
Unit: Trigonometric Identities
12th Grade Math »
Unit: Trigonometric Identities
Big Idea:
How can you use the fundamental identities show 2 expressions are equivalent?
Standards:
Favorites
(3)
Resources
(15)
Reflections
(1)
Formative assessment over Identities
12th Grade Math »
Unit: Trigonometric Identities
12th Grade Math »
Unit: Trigonometric Identities
Big Idea:
Through a quiz students will demonstrate their ability to verify identities.
Standards:
Favorites
(1)
Resources
(7)
Reflections
(1)
Pythagorean Identity
Algebra II »
Unit: Trigonometric Functions
Algebra II »
Unit: Trigonometric Functions
Big Idea:
How can you use Pythagorean Theorem in two different ways to solve the same problem? Find out in this lesson.
Standards:
Favorites
(2)
Resources
(25)
Weather Ups and Downs
Algebra II »
Unit: Trigonometric Functions
Algebra II »
Unit: Trigonometric Functions
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!
Standards:
Favorites
(7)
Resources
(11)
When Will We Ever Use This
Algebra II »
Unit: Trigonometric Functions
Algebra II »
Unit: Trigonometric Functions
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.
Standards:
Favorites
(1)
Resources
(9)
Tangent Modeling
Algebra II »
Unit: Trigonometric Functions
Algebra II »
Unit: Trigonometric Functions
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.
Standards:
Favorites
(2)
Resources
(9)
Trigonometric Functions Review Day 1
Algebra II »
Unit: Trigonometric Functions
Algebra II »
Unit: Trigonometric Functions
Big Idea:
This lesson will train students HOW to study mathematics as well as help them review.
Standards:
Resources
(19)
Big Idea:
Pythagoras again!? Make everybody happy – give your students another chance to connect trig functions to something they already understand.
Standards:
Resources
(11)
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!
Standards:
HSF-TF.A
HSF-TF.A.3
HSF-TF.A.4
HSF-TF.B
HSF-TF.B.5
HSF-TF.B.6
HSF-TF.B.7
HSF-TF.C
HSF-TF.C.8
HSF-TF.C.9
MP1
MP2
MP3
Favorites
(1)
Resources
(19)
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