Introduction to Trigonometry (Algebra 2 Unit 14)

Learn basic trigonometry and trigonometric skills.
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  • Lectures 7
  • Length 1.5 hours
  • Skill Level All Levels
  • Languages English
  • Includes Lifetime access
    30 day money back guarantee!
    Available on iOS and Android
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About This Course

Published 9/2015 English

Course Description

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.

What are the requirements?

  • A video player is necessary (mp4)
  • Headphones or a way to listen to the provided audio
  • Geometry knowledge

What am I going to get from this course?

  • 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

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)

What you get with this course?

Not for you? No problem.
30 day money back guarantee.

Forever yours.
Lifetime access.

Learn on the go.
Desktop, iOS and Android.

Get rewarded.
Certificate of completion.


Section 1: Introduction to the Course
Introduction to the Course
Section 2: Introduction to Trigonometry
Introduction to Trigonometry
Section 3: Functions of Angles
Special Right Triangles in Trigonometry
Section 4: The Other 3 Trig Functions
The Other 3 Trig Functions
Section 5: Solving Trig Problems
Solving Trig Problems
Section 6: Angles of Depression and Elevation
Angles of Depression and Elevation
Section 7: Answer Keys
Answer Keys
4 pages

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Instructor Biography

Matt Gromlich, 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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