Core · Math
Trigonometry and Pre-Calculus
High School 9–12 · 1 credit · 160 lessons
Curriculum by Easy Peasy All-in-One High School. This is a free outside curriculum PLECK uses. PLECK is not affiliated with Easy Peasy All-in-One High School. Day 1 starts here.
Curriculum by Easy Peasy All-in-One High School. PLECK is not affiliated.
License: All rights reserved. Copyright 2025 Lee Giles.
Trigonometry followed by pre-calculus. The page lists 1 credit. PLECK links to the free course and does not run Easy Peasy.
Learning outcomes
- Follow the lessons in order.
- Show the work to a parent.
- Use the Easy Peasy page as the assignment list.
Units and topics
1. Days 1–54
- Open day 1.
- Finish through day 54.
2. Days 55–108
- Open day 55.
- Finish through day 108.
3. Days 109–160
- Open day 109.
- Finish through day 160.
Materials
Every source on this page is free to open.
- Trigonometry and Pre-Calculus
Free high-school courses, with a credit listed on each course page. PLECK is not affiliated with Easy Peasy.
Lessons
The course page we checked has 160 numbered lessons. A family sets the pace.
How credit is earned
Easy Peasy lists this as 1 credit. A parent records it on the PLECK transcript when the student finishes. Opening the catalog does not enroll anyone.
Grade bands: High School 9–12.
Enroll a student
Enrollment stays inside a family account. This page does not show grades, notes, or other families.