
Write equations of cosine functions from graphs
Free printable Algebra 2 math worksheet for "Write equations of cosine functions from graphs" — practice trigonometric functions. No-prep, print or assign online.
This worksheet challenges students to write equations of cosine functions by analyzing their graphs, focusing on identifying key transformations such as amplitude, period, phase shift, and vertical shift. Teachers can use this resource to reinforce students' understanding of trigonometric function behavior and graph-to-equation translation skills. Ideal for Algebra 2 classrooms, it supports mastery of advanced trigonometric concepts through targeted practice.
Learning objectives
- Analyze graphs of cosine functions to determine amplitude, period, phase shift, and vertical shift.
- Construct equations of cosine functions based on given graph characteristics.
- Interpret transformations of cosine functions from graphical representations.
Answer Key

How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
- Print at home or in class for High School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Write equations of cosine functions from graphs” worksheet free?
Yes. “Write equations of cosine functions from graphs” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this Math worksheet for?
It's designed for High School (ages 14–18), covering Trigonometric functions.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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