The remaining three of the six trigonometric functions. The cotangent function is the reciprocal of the tangent function, the secant function is the reciprocal of the cosine function, and the cosecant function is the reciprocal of the sine function.
The remaining three of the six trigonometric functions. The cotangent function is the reciprocal of the tangent function, the secant function is the reciprocal of the cosine function, and the cosecant function is the reciprocal of the sine function.