Solve the equation \(5\sin 2x^\circ + 7\cos x^\circ = 0\) for \(0^\circ \le x^\circ \le 360^\circ\) Which gives us solutions of \(90^\circ ,224.4^\circ ,270^\circ ,315.6^\circ\) There are two more ...

Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the longest side and is always opposite the right angle. The opposite side is the side ...