
Write equations of sine and cosine functions from graphs
Free printable Algebra 2 math worksheet for "Write equations of sine and cosine functions from graphs" — practice trigonometric functions. No-prep, print or assign online.
This worksheet provides practice in writing equations of sine and cosine functions from their graphs, focusing on identifying amplitude, period, phase shifts, and vertical shifts. Teachers can use this resource to reinforce students' understanding of trigonometric transformations and to develop skills in modeling periodic behavior. Ideal for Algebra 2 classes, it supports mastery of trigonometric function equations through graph analysis.
Learning objectives
- Interpret key features of sine and cosine graphs including amplitude, period, phase shift, and vertical shift
- Write accurate equations of sine and cosine functions based on given graphs
- Analyze transformations of trigonometric functions to model real-world periodic phenomena
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 sine and cosine functions from graphs” worksheet free?
Yes. “Write equations of sine and 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.
Make it your own in the Worksheet Studio
Combine this with other worksheets, duplicate it, or generate a fresh version for any grade and language — free, no sign-up.
Open the Worksheet StudioMore for High School
You might also like
Pendulum Motion Interactive Simulation — High School | Free Online
Electric Circuits Interactive Simulation — High School | Free Online
Photosynthesis Interactive Simulation — High School | Free Online
Add and subtract complex numbers

Add and subtract complex numbers




