46) \( \frac{\operatorname{sen} \alpha-\operatorname{sen} \beta}{\cos \alpha-\cos \beta}+\frac{\cos \alpha+\cos \beta}{\operatorname{sen} \alpha+\operatorname{sen} \beta}=0 \)

To solve the equation \[ \frac{\operatorname{sen} \alpha - \operatorname{sen} \beta}{\cos \alpha - \cos \beta} + \frac{\cos \alpha + \cos \beta}{\operatorname{sen} \alpha + \operatorname{sen} \beta} = 0, \] we can start by rearranging the first term and analyzing the structure. Notice that \[ \frac{\operatorname{sen} \alpha - \operatorname{sen} \beta}{\cos \alpha - \cos \beta} \] can be identified with the sine and cosine subtraction formulas. In addition, the second term can be simplified further with a common denominator. After performing some algebraic manipulation using identities such as \( \sin(a) - \sin(b) = 2 \cos\left(\frac{a+b}{2}\right) \sin\left(\frac{a-b}{2}\right) \) and \( \cos(a) - \cos(b) = -2 \sin\left(\frac{a+b}{2}\right) \sin\left(\frac{a-b}{2}\right) \), the equation simplifies. Next, set each term equal to zero and examine when their numerators yield valid outputs. As we find specific angle values yielding true statements, we are effectively solving for \( \alpha \) and \( \beta \). Ultimately, exploring angle values and considering fundamental trigonometric properties can yield solutions such as \( \alpha = \beta + n\pi \) for integer \( n \) or unique intersection points for sine and cosine, which will simplify or validate your identity. Thus, the equation provides insights on practical use cases in geometry and physics, especially where angular relationships emerge!