Question 2
Find all rational numbers $a$ and $b$ such that
$$
\sin 75^\circ \cdot \cos 15^\circ = a + \sqrt{b}.
$$
(Nikola Adžaga)
$$
\sin 75^\circ \cdot \cos 15^\circ = a + \sqrt{b}.
$$
(Nikola Adžaga)
MathNet 2017-part-02 — 176 problems (EN–VI) Question 2
Math Olympiad Vault · MathNet 2017-part-02 — 176 problems (EN–VI)