Interactive, graphic web-app for sketching graphs of functions

Tap diagram where you'd like to add points. If not on touch screen, move crosshair over the desired locations and click to add points. Points will be connected automatically left to right to create sketch.

If you are happy with your sketch press Submit to reveal solution.

To delete sketch and restart drawing press Erase.

Try Again
Fancy re-sketching graph after the solution's been displayed? Simply press Try Again.

To sketch a new function of the same type press New.

Back to List
For sketching graphs of other functions press Back to List.

Sketch the graph of the quadratic function \(y=-cos(2\beta)\)