Найдите декартовы координаты заданных точек 1. А( $$\frac{\pi}{4}$$ ), 2. В( $$\frac{11\pi}{6}$$ ), 3. С( $$-\frac{2\pi}{3}$$ ),

1. $$\frac{\sqrt[]{2}}{2};\ \frac{\sqrt[]{2}}{2}$$ 2. $$\frac{\sqrt[]{3}}{2};\ -\frac{1}{2}$$ 3. $$-\frac{1}{2};\ -\frac{\sqrt[]{3}}{2}$$

1. $$-\frac{\sqrt[]{3}}{2};\ \frac{1}{2}$$ 2. $$\frac{1}{2};\ \frac{\sqrt[]{3}}{2}$$ 3. $$\frac{\sqrt[]{2}}{2};\ -\frac{\sqrt[]{2}}{2}$$

1. $$\frac{\sqrt[]{3}}{2};\ -\frac{1}{2}$$ 2. $$\frac{\sqrt[]{2}}{2};\ \frac{\sqrt[]{2}}{2}$$ 3. $$-\frac{1}{2};\ -\frac{\sqrt[]{3}}{2}$$

1. $$\frac{\sqrt[]{2}}{2};\ \frac{\sqrt[]{2}}{2}$$ 2. $$-\frac{1}{2};\ -\frac{\sqrt[]{3}}{2}$$ 3. $$\frac{\sqrt[]{3}}{2};\ -\frac{1}{2}$$

Упростите выражения 1. $$\sin\left(\frac{\pi}{2}-t\right)$$ 2. $$\cos\left(2\pi-t\right)$$ 3. $$\sin\left(\pi+t\right)$$

1. $$\cos t$$ 2. $$\cos t$$ 3. $$-\sin t$$

1. $$-\cos t$$ 2. $$\sin t$$ 3. $$-\cos t$$

1. $$-\cos t$$ 2. $$\sin t$$ 3. $$\cos t$$

1. $$\cos t$$ 2. $$\cos t$$ 3. $$\sin t$$

Вычислить с помощью формул приведения 1. $$\sin240\degree$$ 2. $$tg300\degree$$

1. $$-\frac{\sqrt[]{3}}{2}$$ 2. $$-\sqrt[]{3}$$

1. $$-\frac{\sqrt[]{3}}{2}$$ 2. $$\sqrt[]{3}$$

1. $$\frac{\sqrt[]{3}}{2}$$ 2. $$\sqrt[]{3}$$

Решите уравнения 1. $$\sin^22x=1$$ 2. $$\cos^24x=\frac{1}{2}$$

1. $$\frac{\pi}{4}+\frac{\pi k}{2}$$ 2. $$\frac{\pi}{16}+\frac{\pi k}{8}$$

1. $$\pm\frac{2\pi}{3}+2\pi n$$ 2. $$\pm\frac{4\pi}{3}+4\pi n$$

1. $$-\frac{\pi}{4}+\frac{\pi k}{2}$$ 2. $$-\frac{\pi}{16}+\frac{\pi k}{8}$$

Тригонометрия

Authored by Ольга Архипова

Mathematics

10th Grade

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