Calculate Sine/Cosine/Tangent
Trigonometric calculations. Runs entirely in your browser, so your data never leaves your device.
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Output
The result appears here as you type.
How to use Calculate Sine/Cosine/Tangent
- 1. Paste your angles. Enter one angle per line in the input pane, such as 45 or 90. Each line is evaluated separately so you can compute trig values for a whole list at once.
- 2. Pick the angle unit. Choose Degrees or Radians from the Angle unit setting to match how your angles are written. Degrees suits everyday angles, radians suits calculus and physics formulas.
- 3. Include the reciprocal functions if needed. Turn on Include sec/csc/cot to add secant, cosecant and cotangent alongside sine, cosine and tangent, useful when a formula calls for the reciprocal ratios directly.
- 4. Read or copy the results. Each line of output lists the sine, cosine and tangent (and optionally sec/csc/cot) for that angle, with undefined shown where tangent has no finite value.
When to use Calculate Sine/Cosine/Tangent
Calculate Sine/Cosine/Tangent evaluates the standard trigonometric ratios for a list of angles in degrees or radians. It replaces reaching for a scientific calculator when you need several angle evaluations in a row.
- Working through a trig homework set. A worksheet lists ten angles and asks for sine, cosine and tangent of each. Pasting all ten at once returns every ratio without switching modes on a physical calculator.
- Checking a physics problem. A projectile motion problem needs sine and cosine of a launch angle in degrees, and you want the values quickly before plugging them into the rest of the equation.
- Debugging a graphics or game routine. Code that rotates a sprite uses radians internally, and you want to confirm the sine and cosine values at a specific angle match what your renderer is producing.
- Filling in a full ratio table. You need secant, cosecant and cotangent alongside the primary ratios for a reference table, so enabling Include sec/csc/cot avoids computing reciprocals by hand.
Examples
Common angles
Input
45 90
Output
45° → sin 0.707107 · cos 0.707107 · tan 1 90° → sin 1 · cos 0 · tan undefined
About the Calculate Sine/Cosine/Tangent tool
Calculate Sine/Cosine/Tangent is a free online tool that works entirely inside your web browser. Trigonometric calculations. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 234 Math utilities on EditSafely. Each one does a single job well, and all of them follow the same rule: your input stays on your machine.
You can shape the output with 2 settings, including Angle unit and Include sec/csc/cot, 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.
Because nothing leaves your device, the tool is suitable for sensitive content such as internal documents, credentials or customer data. It also responds instantly, since every keystroke is handled on your own machine rather than by a remote API.
Frequently asked questions
Is Calculate Sine/Cosine/Tangent free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Is it safe to paste sensitive or confidential data?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
How much text can I process at once?
There is no fixed limit. Because the work happens on your own device rather than on a shared server, the practical ceiling is your machine's memory, which comfortably handles inputs far larger than typical online tools allow.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.