Calculate sine, cosine, tangent and other trigonometric functions
Common questions about trigonometry
Trigonometry is the branch of mathematics that studies the relationships between sides and angles of triangles.
Other useful tools related to mathematical calculations
How to Use? Enter the angle and select unit (degree or radian). All trigonometric functions are calculated automatically.
Ratio of opposite side to hypotenuse
Ratio of adjacent side to hypotenuse
Ratio of opposite side to adjacent side
Reciprocal of tangent: 1/tan
Reciprocal of cosine: 1/cos
Reciprocal of sine: 1/sin
Common questions about trigonometry
Trigonometry is the branch of mathematics that studies the relationships between sides and angles of triangles.