Worksheet
Curated OER

Trigonometry Ratios in Right Triangles

For Students 10th
In this trigonometry ratios in right triangles instructional activity, 10th graders solve 6 different right triangle problems. First, they find the values of x and y in each triangle, rounding each to the nearest tenth. Then, students...
Worksheet
Curated OER

Easy Worksheet: Trigonometry

For Students 9th - 12th
In this trigonometry activity, students solve 4 short answer problems. Students find the secant, cosine, or tangent of the given angle shown in the diagram.
Worksheet
Curated OER

Using Trinonometry to Find Angle Measures

For Students 10th - 12th
In this trigonometric ratios worksheet, students find the missing angle of 20 triangles by using sine, cosine and tangent ratios. Students compute the angle measurement of given ratios for six problems.
Worksheet
Curated OER

Trigonometry Sum and Difference Identities

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

Trigonometric Ratios

For Students 10th
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure or side length.  The three page worksheet contains a combination of twelve multiple choice and free response problems. ...
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...
Worksheet
Curated OER

Trigonometric Functions

For Students 11th
In this trigonometric functions learning exercise, 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 identities...
Lesson Plan
Curated OER

High School Examination: Algebra 2/Trigonometry

For Teachers 10th - 12th
In this high school worksheet, students solve problems involving angles, functions, square roots, and sequences.  They read word problems, write equations, and then solve them.  This 28-page worksheet contains 39 problems. 
Worksheet
Curated OER

Trigonometry

For Students 11th - 12th
In this trigonometry worksheet, students find the missing angles for given triangles. They use the trigonometric ratios to solve the problems.
Worksheet
Curated OER

Trig Tic-Tac-Times

For Students 11th - 12th
In this trigonometry worksheet, learners play a skill review game that involves the problem solving strategy of working backward.  The game is similar to tic-tac-toe using the trigonometric ratios.  The one page worksheet...
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).
Worksheet
Curated OER

Differentiation Rules for Math 21A and Trig Identities

For Students 11th - Higher Ed
In this math worksheet, learners read the rules for differentiation and the trigonometry identities. They could apply each one to practice problems.
Worksheet
Curated OER

Calculus Worksheet: Trig Limits

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

Trig Identities and Antiderivatives

For Students 11th - Higher Ed
In this math instructional activity, students practice solving the problems that are related to the concepts of identities and antiderivatives.
Interactive
Curated OER

Triginometry: Find the Unknown Side

For Students 9th - 12th
In this Trigonometry worksheet, high schoolers use the Pythagorean theorem to calculate the length of side x. There are 5 questions to solve and submit.
Worksheet
Curated OER

Calculus Worksheet: Graphs of Functions (2)

For Students 10th - 12th
Students are given a trigonometric function. They find the period of f, the maximum and ninimum values of f(x). Students compute the smallest positive value of x and the smallest positive value of x. They sketch the graph of the function.
Worksheet
Curated OER

Ten Trigonometric Review Problems - Calculator Required

For Students 11th - Higher Ed
In this trigonometry review worksheet, students convert between radians and degrees, sketch angles, evaluate trig. functions, solve for missing angles, and find the functions that satisfy the given conditions.
Worksheet
Curated OER

Law of Sines

For Students 10th - 12th
In this Law of Sines worksheet, students use trigonometric ratios to determine angle measurement and/or the length of the side of a triangle. This one-page worksheet contains ten trigonometric ratio problems.
Assessment
EngageNY

Mid-Module Assessment Task: Pre-Calculus Module 4

For Students 11th - 12th Standards
Challenge scholars to show what they know about properties and addition and subtraction formulas for trigonometric functions. The resource provides a mid-unit check on the progress toward mastery of trigonometric concepts. The areas...
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...
Interactive
CK-12 Foundation

Secant, Cosecant, and Cotangent Functions: Hold the Ladder!

For Students 9th - 12th Standards
Determine the length of a falling ladder. Pupils use an interactive to find the angle a ladder makes with the floor after it falls to answer questions. The scholars use the triangle formed in the interactive to determine values of...
Unit Plan
Mathematics Vision Project

Module 5: Modeling with Geometry

For Students 9th - 12th Standards
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts...
Lesson Plan
Curated OER

ndirect Measurement Technique: Using Trigonometric Ratios

For Teachers 9th
Ninth graders find the height of an object that would be difficult or impossible to measure directly. They construct and use a Clinometer to measure the angle of elevation (or depression). Students create a sketch of the measurement...