Вычислите: $$\cos(-60^\circ) + \sin^2 45^\circ$$.

$$\cos(-60^\circ) = \cos(60^\circ) = \frac{1}{2}$$ $$\sin(45^\circ) = \frac{\sqrt{2}}{2}$$ $$\sin^2(45^\circ) = (\frac{\sqrt{2}}{2})^2 = \frac{2}{4} = \frac{1}{2}$$ $$\cos(-60^\circ) + \sin^2 45^\circ = \frac{1}{2} + \frac{1}{2} = 1$$ Ответ: **1**