Cosine Course
Dive into cosine mastery from unit circle fundamentals through to advanced identities and practical modelling. Tailored for maths educators and professionals, this course equips you to analyse graphs with precision, construct reliable periodic models for real-world cycles like motion and daylight, and tackle right and oblique triangle challenges using cosine and the law of cosines effectively.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course provides a focused, practical pathway to mastering cosine, starting from foundational principles and progressing to real-world applications. Learners will gain a strong understanding of the unit circle, symmetry, key angles, and essential identities. They will confidently interpret and sketch transformed cosine graphs, apply cosine functions to model periodic phenomena, solve triangle problems, and develop clear explanations suitable for beginners, supported by high-quality examples, visuals, and assessments.
Elevify advantages
Develop skills
- Master cosine graphs: interpret, sketch, and transform y = A cos(ωx + φ) + C efficiently.
- Model real-world cycles: create cosine models for motion, daylight variations, and rotations.
- Apply cosine in triangles: solve geometry problems with cosine and the law of cosines.
- Utilise key trig identities: simplify expressions, transform functions, and solve cosine equations.
- Explain cosine effectively: craft visuals, examples, and beginner-friendly explanations.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
FAQs
Who is Elevify? How does it work?
Do the courses come with a certificate?
Are the courses free?
What is the duration of the courses?
What are the courses like?
How do the courses work?
What is the duration of the courses?
What is the cost or price of the courses?
What is an online course and how does it work?
PDF Course