Найдите значение произведения (тут в градусах у меня) sin10 sin30 sin50 sin70

sin10*sin30*sin50*sin70=0,0625

2. What is Kai? What do people in the Altai Mountains use it for? Read the text to find out.

Что такое Кай? Для чего его используют в Горном Алтае? Прочти текст, чтобы узнать.

Kai is a special type of singing that people in the Altai Mountains of Kazakhstan use to tell epic stories. Aleksej Grigoreviç Kalkin (1925-1998) was one of the last masters of Kai and he learnt the great epic tales from his father and grandfather, who were also Kai singers. One of the most famous of these tales is called Maadai-Kara. It is an epic tale – Kalkin's version had 7,738 verses!

 

log    2^(8x+8)    =    4

        4

 

log    4^(4x+4)    =    log    4^4

        4                                                          4 

 

4^(4x+4)    =    4^4

 

4x+4   =    4

 

4x  =    0

 

x    =    0

 

ответ.        0