Question 150
Angles $\alpha$ and $\beta$ are such that $\frac{\tan \alpha}{\tan \beta} = k \neq 1$. Express $\frac{\sin(\alpha+\beta)}{\sin(\alpha-\beta)}$ in terms of $k$.
MathNet 2015-part-02 — 191 problems (EN–VI) Question 150
Math Olympiad Vault · MathNet 2015-part-02 — 191 problems (EN–VI)