Handout
Purple Math

Purplemath: Conventions

For Students 9th - 10th Standards
A "convention" is "just the way a thing is done!". This reference material lists some common conventions (notational assumptions) for geometry and trigonometry.
Lesson Plan
Alabama Learning Exchange

Alex: How High Did My Rocket Go?

For Teachers 9th - 10th
This is a lab in which the students will calculate the height of an air or water rocket by using trigonometry.
Graphic
Math2

Math2.org: Trigonometry Tables

For Students 9th - 10th Standards
Three trig tables are provided for student and teacher reference. The first table lists the sine, cosine, tangent, secant, cosecant, and cotangent values of all whole-number angles from 0 to 90. The radian equivalent (to four decimals)...
Handout
Johan Claeys

Math Abundance: Trigonometry: The Sine Function

For Students 9th - 10th Standards
Definition of a sine function. Range and period also are given. Graph of sine function given as well.
Whiteboard
ClassFlow

Class Flow: Advanced Trigonometry

For Teachers 9th - 10th
[Free Registration/Login Required] Students describe, analyze, and reason angles being as small or as large as they can imagine. Using trigonometrical ratios, this is a fun exercise in understanding how to examine the perfect graph.
Activity
Free Math Help

Free Math Help: Trigonometry Addition Formulas

For Students 9th - 10th Standards
Students learn about the trigonometric addition formulas. Sine, cosine, and tangent formulas are included.
Handout
Math Open Reference

Math Open Reference: Cosecant (Csc) Trigonometry Function

For Students 9th - 10th
Learn about the trigonometric function, cosecant, with this helpful reference tool. Provides a detailed definition and examples that enhances further explanation.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Pythagorean Theorem for Solving Right Triangles

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Finding unknown sides in a triangle using other sides and angles.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Pythagorean Theorem for Solving Right Triangles

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson applies the trigonometric ratios and their inverses to real-life situations.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Angle Angle Side Triangles

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Find the unknown side of a triangle when two angles and a side are known.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Angles of Rotation in Standard Positions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Learn how to express angles of rotation.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Coterminal Angles

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Defining and identifying coterminal angles.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Definition of Inverse Reciprocal Trig Functions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Define reciprocal function.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: De Moivre's Theorem

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Simplify complex numbers raised to a power with DeMoivre's Theorem.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Distance Between Two Polar Coordinates

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Find the distance between two points expressed in polar coordinates.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Double Angle Identities

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Derivation of double angle identities for sine, cosine, and tangent.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry:complex Roots

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Plot the roots of equations in polar coordinates.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Heron's Formula

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Find the area of a triangle when all three sides are known.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Identify Accurate Drawings of Triangles

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Determine if diagrams of triangles are accurately drawn.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Law of Sines

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson introduces the Law of Sines for two cases.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Length of a Chord

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Find the length of a chord of a circle.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Length of an Arc

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Definition and measurement of an arc on a circle,
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Proofs of Trigonometric Identities

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Simplifying trigonometric expressions using identities
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Proofs of Trigonometric Identities

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson uses trigonometric identities to prove other identities.

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