Write equations of cosine functions from graphs
Free printable Precalculus math worksheet for "Write equations of cosine functions from graphs" — practice trigonometric functions. No-prep, print or assign online.
This worksheet provides challenging practice for high school precalculus students to write equations of cosine functions from their graphs. Teachers can use it to reinforce understanding of trigonometric transformations and enhance students' skills in interpreting amplitude, period, phase shifts, and vertical shifts. Ideal for assessment or targeted practice in trigonometric functions and graph analysis.
Learning objectives
- Analyze the key features of cosine function graphs including amplitude, period, phase shift, and vertical shift
- Construct equations of cosine functions based on given graphs
- Interpret transformations of cosine functions and apply them to write accurate function equations
How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 25 downloads a month).
- Print at home or in class for High School; it's no-prep, with no extra materials needed.
- Hand it out as classwork, homework, or a quick warm-up.
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 25 downloads a month.
What grade or age is this Math worksheet for?
It's designed for High School (ages 14–18), covering Trigonometric functions.
Do I need to prep anything?
No. It's a no-prep, print-and-go worksheet — just download and hand it out.
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