Worksheet
Curated OER

Special Right Triangles

For Students 10th
In this special right triangles worksheet, 10th graders solve 10 different problems that include solving equations that are special right triangles. First, they determine the exact value of each problem. Then, students use the...
Worksheet
Curated OER

Trigonometric Equations

For Students 11th
In this trigonometric equations activity, 11th graders solve 10 different problems that include trigonometric functions. First, they order the equation in terms of one equation and one angle. Then, students write the equation as one...
Worksheet
Curated OER

Law of Sines and Law of Cosines

For Students 9th - 11th
In this sine and cosine instructional activity, learners use the law of sines and law of cosines to find the required part of a triangle. Examples and explanations are provided. This three-page instructional activity contains 24...
Worksheet
Curated OER

Senior Analysis: Trig Limits

For Students 11th - Higher Ed
In this trig limits learning exercise, students evaluate the limits of given equations. They use trig derivatives and implicit differentiation to solve given equations. This three-page learning exercise contains 27 multi-step problems.
Worksheet
Curated OER

Calculus Worksheet: Trig Limits

For Students 10th - 12th
In this trig limits worksheet, learners evaluate the limits of given equations. This two-page worksheet contains 14 multi-step problems. Answers are provided on page two.
Worksheet
Curated OER

Trigonometric Functions

For Students 10th - 12th
In this trigonometric functions worksheet, students examine trigonometric functions and graph them.  This one-page worksheet contains 1 multi-step problem and a graph.
Worksheet
Curated OER

Limits of Functions

For Students 10th - 12th
In this limits of functions worksheet, students find the limits of given functions. This one-page worksheet contains 3 multi-step problems.
Worksheet
Curated OER

Half Angle Formula

For Students 9th - 11th
In this half angle formula worksheet, students use half angle formulas to find the value of given angles. This one-page worksheet contains 1 multi-step problems.
Worksheet
Curated OER

PreCalculus Test 3: Angle Measurement

For Students 10th - 12th
In this angle measurement activity, students identify the domain and range of given problems.  They determine the amplitude, period and horizontal translation of given functions.  This two-page activity contains 16 problems.
Lesson Plan
EngageNY

Addition and Subtraction Formulas 2

For Teachers 11th - 12th Standards
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
Lesson Plan
EngageNY

Addition and Subtraction Formulas 1

For Teachers 11th - 12th Standards
Show budding mathematicans how to find the sine of pi over 12. The third instructional activity in a series of 16 introduces the addition and subtraction formulas for trigonometric functions. Class members derive the formulas using...
Lesson Plan
EngageNY

Special Triangles and the Unit Circle

For Teachers 11th - 12th Standards
Calculate exact trigonometric values using the angles of special right triangles. Beginning with a review of the unit circle and trigonometric functions, class members use their knowledge of special right triangles to find the value...
Lesson Plan
EngageNY

Secant and the Co-Functions

For Students 10th - 12th Standards
Turn your class upside down as they explore the reciprocal functions. Scholars use the unit circle to develop the definition of the secant and cosecant functions. They analyze the domain, range, and end behavior of each function.
Lesson Plan
Mathematics Assessment Project

Inscribing and Circumscribing Right Triangles

For Teachers 9th - 12th Standards
High schoolers attempt an assessment task requiring them to find the radii of inscribed and circumscribed circles of a right triangle with given dimensions. They then evaluate provided sample responses to consider how to improve...
Worksheet
Curated OER

Trigonometry Triangles

For Students 11th
In this trig instructional activity, 11th graders investigate the 6 trigonometry identities and their cofunctions. They use them to solve trig problems as related to right triangles. There are 5 questions with an answer key.
Lesson Plan
Curated OER

Trigonometric Functions of Acute Right Triangles

For Teachers 9th - 11th
Students derive the six trigonometric functions. In this trigonometry lesson, students show their understanding of trigonometric functions as they relate the right triangles. They find the missing angles and side use trig ratios of sine,...
Worksheet
Curated OER

Further Trigonometry

For Students 11th - Higher Ed
In this trigonometry worksheet, students solve for trigonometric functions. They convert between radians and angles using the properties of sine, cosine and tangent. There are 30 problems on this handout.
Lesson Plan
Curated OER

Trig Review

For Teachers 12th
Twelfth graders review the 6 identities of trigonometry. In this trig lesson plan, 12th graders review the importance of the right triangle as it relates to sine, cosine and tangent. They review the basic trig identities and how it...
Lesson Plan
Curated OER

Introduction to Trigonometry

For Teachers 10th - 12th
Students identify the six trigonometric ratios and properties. In this trig instructional activity, students define basic trig functions as it relates to solving right triangles. They identify the equation for sine as o/h and cosine as...
Worksheet
Curated OER

Mnemonics to Remember Your Trig Ratios

For Students 10th - 12th
In this calculus worksheet, students review mnemonic rhymes to help them remember the different ratios of sine, cosine and tangent. They are funny and memorable for any grade level.
Lesson Plan
Curated OER

Trigonometry

For Teachers 10th - 12th
Students investigate angles converting them from radians to degrees. In this trigonometry lesson, students work with angles and the six different trig ratios. They graph the functions representing each trig functions and identify the...
Worksheet
Curated OER

Precalculus Exam

For Students 11th - 12th
In this precalc lesson, students write out definitions, identify functions, solve integrals and derivatives and graph trig functions as they relate to angles. This is a final exam for precalculus. There are 80 questions on this exam.
Worksheet
Curated OER

AP Calculus Practice Exam

For Students 11th - 12th
In this calculus worksheet, students solve functions by taking the derivative of the equations. There are 28 questions using logs and trig functions.
Lesson Plan
Curated OER

Unit Circle Triangle

For Teachers 11th - 12th
Students find the different ratios of a right triangle. In this geometry lesson, students apply the concept of the Pythagorean theorem as they identify the different angles and parts of a Unit Circle. They find the ratios of sine,...