ФункцияАргумент
$$0^\circ$$$$(0 рад)$$ $$30^\circ$$$$(\pi /6)$$ $$45^\circ$$$$(\pi /4)$$ $$60^\circ$$$$(\pi /3)$$ $$90^\circ$$$$(\pi /2)$$ $$180^\circ$$$$(\pi)$$ $$270^\circ$$$$(3\pi /2)$$ $$360^\circ$$$$2(\pi)$$
$$\sin \alpha$$ $$0$$ $$\frac{1}{2}$$ $$\frac{\sqrt 2}{2}$$ $$\frac{\sqrt 3}{2}$$ $$1$$ $$0$$ $$-1$$ $$0$$
$$\cos \alpha$$ $$1$$ $$\frac{\sqrt 3}{2}$$ $$\frac{\sqrt 2}{2}$$ $$\frac{1}{2}$$ $$0$$ $$-1$$ $$0$$ $$1$$
$$\text{tg}\; \alpha$$ $$0$$ $$\frac{1}{\sqrt 3}$$ $$1$$ $$\sqrt 3$$ $$—$$ $$0$$ $$—$$ $$0$$
$$\text{ctg}\; \alpha$$ $$—$$ $$\sqrt 3$$ $$1$$ $$\frac{1}{\sqrt 3}$$ $$0$$ $$—$$ $$0$$ $$—$$
$$\sec \alpha$$ $$1$$ $$\frac{2}{\sqrt 3}$$ $$\sqrt 2$$ $$2$$ $$—$$ $$-1$$ $$—$$ $$1$$
$$\text{cosec}\; \alpha$$ $$—$$ $$2$$ $$\sqrt 2$$ $$\frac{2}{\sqrt 3}$$ $$1$$ $$—$$ $$-1$$ $$—$$

2010-12-16 • Просмотров [ 2988 ]