Lesson Plan
EngageNY

Graphing the Tangent Function

For Students 10th - 12th Standards
Help learners discover the unique characteristics of the tangent function. Working in teams, pupils create tables of values for different intervals of the tangent function. Through teamwork, they discover the periodicity, frequency, and...
Lesson Plan
Curated OER

Trigonometric Functions of Special Angles

For Teachers 9th - 12th
Learners explore the concept of the six trigonometric functions, places where the functions can be utilized, and apply these functions to several electrical application problems.
Worksheet
Curated OER

Limits of Trig Functions

For Students 9th - 11th
For this trigonometry worksheet, students solve 14 problems with trig functions by calculating and solving for the limit.
Worksheet
Curated OER

Unit Circle & Trig Functions

For Students 10th - 12th
In this trig functions worksheet, students determine the exact value of given trigonometric functions. They label degrees, radians and coordinates of given points on a circle. This two-page worksheet contains approximately 20 multi-step...
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

Differentiation Rules Math 21A and Trig Identities

For Students 11th - Higher Ed
In this math activity, students practice solving the problems using the listed differentiation rules and trigonometric identities.
Assessment
Concord Consortium

Sine Solution

For Students 11th - 12th Standards
How many times can eager mathematicians catch the waves? Pupils find the solutions of three different trigonometric equations. They then determine the effect of the slope of a line that intersects a trigonometric function and the number...
Assessment
Illustrative Mathematics

Hours of Daylight 1

For Students 9th - 12th Standards
The midline of the mathematical model of the number of hours of sunlight is not 12 hours. Pupils use the modeling cycle to determine a function that will model the number of hours of sunlight at a location of their choosing. Using...
Assessment
Illustrative Mathematics

Exploring Sinusoidal Functions

For Students 9th - 12th Standards
What effect does changing a parameter have on the graph of a trigonometric function? Pupils use a Desmos applet to explore the general sine graph. They experiment changing different parameters and record the resulting change of the...
Interactive
CK-12 Foundation

Horizontal Translations or Phase Shifts: Sine

For Students 10th - 12th Standards
Shift a trigonometric function and find its new equation. Pupils translate a sine function on a graph. The scholars determine the equation of the function that represents the translated graph and observe the connection between a...
Worksheet
Curated OER

Trigonometric Functions

For Students 11th
In this trigonometric functions instructional activity, 11th graders solve and complete 5 different sets of problems. First, they find each angle using angle addition/subtraction formulas as shown. Then, students prove each of the...
Worksheet
Curated OER

Trigonometric Functions

For Students 11th
In this trigonometric functions instructional activity, 11th graders solve 10 different problems that include applying various trigonometric functions in each. First, they determine the nearest degree that contains the measure of an...
Worksheet
Curated OER

Graph Trigonometric Functions

For Students 9th - 12th
In this graphing trigonometric functions worksheet, students graph 1 sine equation.  Students plot the graph of the function y=-0.5sin(-3x).
Interactive
Curated OER

Inverse Trigonometric Functions-Using a Calculator

For Students 10th
For this geometry worksheet, 10th graders use a calculator to evaluate the inverse of a trigonometric function. The one page interactive worksheet contains ten questions. Answers and hints are included. 
Worksheet
Curated OER

Inverse Trig

For Students 11th - Higher Ed
In this inverse trig worksheet, students solve and complete 24 various types of problems. First, they evaluate each of the trigonometric inverses shown. Then, students find x and y in each trigonometric derivative. They also find the...
Worksheet
Curated OER

Pythagorean Identities

For Students 11th
In this Pythagorean identities worksheet, 11th graders solve 10 different problems that include applying various Pythagorean identities in each. First, they determine the values of tangent, secant, cosecant, and cosine given the other...
Lesson Plan
Curated OER

Solving Trigonometric Equations

For Teachers 9th - 12th Standards
Pupils will investigate trigonometric equations. In this trigonometry lesson, they explore solving equations using a TI-83 calculator and solve trigonometric equations by graphing each side of the equation as a function and locating the...
Worksheet
Curated OER

Trigonometric Functions

For Students 11th - Higher Ed
In this trigonometric functions worksheet, students solve and complete 4 different types of problems. First, they decide whether the given equation defines y to be a function of x and find the domain. Then, students graph each function...
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

Inverse Trigonometric Functions (Review)

For Teachers 11th - Higher Ed
Students discuss the importance of inverse functions and derivatives. In this calculus lesson plan, students analyze inverse trig functions by solving for missing angles. They graph the functions and discuss integration by parts.
Worksheet
Curated OER

Applied Trigonometry Problems

For Students 9th - 12th
In this applied trigonometry problems activity, students solve 12 short answer word problems. Students use trigonometric ratios to find angles of elevation and depression. Students find distances between objects using trigonometric...
Worksheet
Curated OER

Trigonometry Sum and Difference Identities

For Students 9th - 11th
For this algebra worksheet, students solve a word problem using trigonometric identities. They solve problems about a love triangle. There is an answer key.
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...

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