Question 107
Calculate
$$
\frac{\tan 192^\circ + \tan 48^\circ}{1 + \tan 168^\circ \cdot \tan 408^\circ}
$$
$$
\frac{\tan 192^\circ + \tan 48^\circ}{1 + \tan 168^\circ \cdot \tan 408^\circ}
$$
MathNet 2019-part-02 — 184 problems (EN–VI) Question 107
Math Olympiad Vault · MathNet 2019-part-02 — 184 problems (EN–VI)