Visualize Trig Functions
Draw graphs for sine, arcsine, cosine, etc. Runs entirely in your browser, so your data never leaves your device.
Output
The result appears here as you type.
How to use Visualize Trig Functions
- 1. Choose the trig function. Pick from sin, cos, tan, cot, sec, csc, or their arc and hyperbolic counterparts in the Function setting to determine which curve gets graphed.
- 2. Toggle radian axis labels. Turn on Radians axis labels to mark the x-axis in units of pi, like pi/2 and 3pi/2, instead of plain decimal numbers, matching how most textbooks label trig graphs.
- 3. Set canvas size and style. Choose Width and Height in pixels, then set Line color, Background color, and Line width to match a slide or document theme.
- 4. Review or export the graph. The SVG graph renders live as you switch functions or settings. Download or copy it for a trigonometry lesson, homework, or presentation.
When to use Visualize Trig Functions
Visualize Trig Functions draws graphs of sine, cosine, tangent, and their reciprocal, inverse, and hyperbolic variants with proper radian axis labeling. Use it whenever you need to see a trig function's shape, period, or asymptotes instead of imagining it from a formula.
- Comparing sine and cosine curves side by side. A trigonometry lesson explains the phase shift between sine and cosine, and generating both graphs with matching styling makes the quarter-period offset visually obvious to students.
- Showing where tangent has vertical asymptotes. Students often struggle to see why tangent shoots to infinity at odd multiples of pi over 2, and plotting it with radian-labeled axes shows the asymptotes lining up exactly there.
- Illustrating inverse trig function domains. A precalculus unit on arcsine and arccosine benefits from seeing the restricted domain and range directly on a graph, rather than just stating the interval in words.
- Introducing hyperbolic functions in a calculus course. Students seeing sinh, cosh, and tanh for the first time benefit from a direct visual comparison to their circular trig counterparts, and graphing them here shows the shape difference clearly.
Examples
The sine wave over −2π to 2π
Output
An SVG graph with axis ticks labeled π/2, π, 3π/2, 2π.
About the Visualize Trig Functions tool
Visualize Trig Functions runs as plain JavaScript in your browser tab, with no server behind it. Draw graphs for sine, arcsine, cosine, etc. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's Math Tools section, 234 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
You can shape the output with 7 settings, including Function, Radians axis labels, Width (px) and Height (px), and the result refreshes the moment you change one. A worked example further down the page shows exactly what the tool produces for a real input.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Does Visualize Trig Functions cost anything?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Does the generator send anything to a server?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
How do I get a different result?
Run the generator again. Each run is computed fresh on your device, and any options you change are applied to the next result immediately.
Do I need to sign up or install anything?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
Can I save what the tool produces?
Yes. Use the download or copy controls in the output panel to keep the rendered result once it looks the way you want.