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Introduction to Trigonometry (Algebra 2 Unit 14)

Learn basic trigonometry and trigonometric skills.
4.6 (26 ratings)
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1,246 students enrolled
Created by Matt Gromlich
Last updated 9/2015
  • 1.5 hours on-demand video
  • 1 Supplemental Resource
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion

This unit is the first in a High School Algebra 2 curriculum. It teaches basic trigonometric concepts so that they can be applied to algebra 2 concepts later on. It can be taken by traditional high school students as well as High School Equivalency (HSE) students who are learning about geometric topics for their equivalency exams (GED, TASC, and/or HiSET).Topics include:

(1) Introduction to Trigonometry

(2) Special Right Triangles in Trigonometry

(3) The Other Three Trig Functions

(4) Solving Trig Problems

(5) Angles of Elevation and Depression

Each section has a related video, a video quiz, and a section quiz. The video quiz is to be taken along with or shortly after watching the video. The section quiz is to be taken after. To supplement the course, you can use any textbook.

This course should take approximately five to ten hours to complete.

Who is the target audience?
  • Current Algebra 2 students
  • Algebra 2 teachers who would like additional resources
  • HSE/GED students studying for the HSE exams (GED, TASC, HiSET)
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What Will I Learn?
List and identify the 6 trigonometric functions
Understand the relationship between sides and angles of a right triangle
Determine which trig function to use in a given problem
Solve trig problems - including trig word problems
Solve problems using angles of depression and elevation
View Curriculum
  • A video player is necessary (mp4)
  • Headphones or a way to listen to the provided audio
  • Geometry knowledge
Curriculum For This Course
Expand All 7 Lectures Collapse All 7 Lectures 01:22:22
Introduction to the Course
1 Lecture 04:22
Introduction to the Course
Introduction to Trigonometry
1 Lecture 19:01
Introduction to Trigonometry
Functions of Angles
1 Lecture 17:27
Special Right Triangles in Trigonometry
The Other 3 Trig Functions
1 Lecture 09:01
The Other 3 Trig Functions
Solving Trig Problems
1 Lecture 13:15
Solving Trig Problems
Angles of Depression and Elevation
1 Lecture 15:16
Angles of Depression and Elevation
Answer Keys
1 Lecture 00:00
Answer Keys
4 pages
About the Instructor
4.3 Average rating
161 Reviews
4,379 Students
10 Courses
Math Teacher

I am a High School Math and High School Equivalency teacher in Las Vegas, Nevada. I just finished my 4th year of teaching. My background is in math and science (B.S. in Science and Math Education, M.Ed. in Agriculture Education from North Carolina State University). I recently started a Ph.D. program at the University of Nevada, Las Vegas in Curriculum and Instruction with an emphasis in Math Education.

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