$$-4\cdot\left(-6,2\right)-8,4$$

(a)  

$$\frac{\sqrt[]{16a^9}\cdot\sqrt[]{4b^3}}{\sqrt[]{a^5b^3}}\ при\ a=9,\ b=11$$

(a)  

$$\frac{\sqrt[]{8}\cdot\sqrt[]{192}}{\sqrt[]{24}}$$

(a)  

$$\left(\sqrt[]{45}+\sqrt[]{5}\right)\cdot\sqrt[]{5}$$

(a)  

$$\frac{24^4}{3^2\cdot8^3}$$

(a)  

Найдите $$\sin\alpha$$ , если $$\cos\alpha=\frac{\sqrt[]{51}}{10}\ и\ \ 0\degree<\alpha<90\degree$$

(a)  

Найдите $$\sin\alpha$$ , если $$\cos\alpha=-\frac{\sqrt[]{15}}{4}\ и\ \ 90\degree<\alpha<180\degree$$

(a)  

Найдите $$\sin\alpha$$ , если $$\cos\alpha=-\frac{\sqrt[]{7}}{4}\ и\ \ 180\degree<\alpha<270\degree$$

(a)  

Найдите $$\sin\alpha$$ , если $$\cos\alpha=\frac{2\sqrt[]{6}}{5}\ и\ \ 270\degree<\alpha<360\degree$$

(a)  

Найдите $$\cos\alpha$$ , если $$\sin\alpha=-\frac{\sqrt[]{91}}{10}и\ 270\degree<\alpha<360\degree$$

(a)  

Найдите $$\cos\alpha$$ , если $$\sin\alpha=-\frac{\sqrt[]{21}}{10}и\ 180\degree<\alpha<270\degree$$

(a)  

Найдите $$\cos\alpha$$ , если $$\sin\alpha=\frac{24}{25}\ и\ 90\degree<\alpha<180\degree$$

(a)  

Найдите $$\cos\alpha$$ , если $$\sin\alpha=\frac{2\sqrt[]{6}}{5}\ и\ 0\degree<\alpha<90\degree$$

(a)