range

The sine function \(f(x) = \sin(x) \) assigns to each angle \(x\), expressed in radians, its corresponding sine value

The secant function \(f(x) = \sec(x)\) is defined as the reciprocal of the cosine function. It assigns to each angle \(x\) the value \(1/\cos(x)\).

The cosecant function \(f(x) = \csc(x) \) is defined as the reciprocal of the sine function. It assigns to each angle x (measured in radians) the value \( 1/\sin(x) \).