Worksheet
Curated OER

Graphing Trigonometric Functions

For Students 11th - 12th
In this geometry activity, learners identify an angle as an angle of elevation or depression and solve problems in which they find the indicated distance. The one page activity contains eight multi-part problems. Answers are not included.
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...
Lesson Plan
Curated OER

Right Triangles and Unit Circles

For Teachers 9th - 11th
Young scholars evaluate the six trigonometric values of a trig function. In this trigonometry instructional activity, students use the Unit Circle to find the values of right triangles and their angles. They identify an angle...
Worksheet
Curated OER

Trigonometry Multiple Choice

For Students 9th - 10th
In this geometry learning exercise, students solve word problems. They find the height and distance of triangular measurements. They identify missing angles using triangular properties. There are 10 questions.
Lesson Plan
Curated OER

Elevation at its Peak

For Teachers 9th - 12th
High schoolers pretend they are hiking up a mountain. They practice making calculations on angles and elevation. They use topographic maps to estimate distances and trigonometric ratio methods.
Activity
Texas Instruments

Texas Instruments: Solving Problems Using Trigonometry

For Teachers 9th - 10th
Solving real life problem using trig ratios. Example: Finding the angle of elevation or the angle of depression. Finding the angle between two lines. Finding equation of a line that passes through two points.
Activity
CK-12 Foundation

Ck 12: Trigonometry Word Problems

For Students 9th - 10th
[Free Registration/Login Required] Students will determine the angle of depression using a diagram with a helicopter. Click learn more to watch a video and click challenge me to answer a practice question.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Trigonometry Word Problems

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Use trigonometry to solve word problems.