Work out unknown sides and angles.
Enter the values you know to solve a right-angled triangle.
Trigonometry HelpFind the
missing angle.
Solve right-angled triangles and see a scale drawing of the result, with handy formulae alongside.
See the result.
View a scale drawing of the solved triangle.
Use familiar units.
Enter angles in radians, decimal degrees, or degrees, minutes and seconds.
Choose your precision.
Set your preferred number of decimal places and refer to basic trig formulae.
Put the numbers
into perspective.
A scale drawing helps you see how the sides and angles fit together.
