Math
Cotangent Calculator
Find the cotangent of an angle.
Did this calculator solve your problem today?
✓ Thank you for your feedback!
Report issue to loopingon.com
Sponsored
Cotangent is the reciprocal of tangent, equal to cosine over sine.
The math behind it
cot θ = 1 ÷ tan θ = cos θ ÷ sin θ. It is undefined where sine is 0 (0°, 180°, …).
Worked Example
cot(45°) = 1.
Frequently Asked Questions
Where is cotangent undefined?
At angles where sine equals zero, such as 0° and 180°.
Advertisement