Definiciones por triángulos rectángulos, donde $latex \displaystyle 0 < \theta < \frac{\pi}{2}$. Utilizando la Hipotenusa y los Catetos es posible calcular: $latex \displaystyle \sin \theta = \frac{\text{CO}}{\text{H}}$ $latex \displaystyle \csc \theta = \frac{\text{H}}{\text{CO}}$ $latex \displaystyle \cos \theta = \frac{\text{CA}}{\text{H}}$ $latex \displaystyle \sec \theta = \frac{\text{H}}{\text{CA}}$ $latex \displaystyle \tan \theta = \frac{\text{CO}}{\text{CA}}$ $latex \displaystyle \cot \theta […]