с матаном
1) Найдите наибольший отрицательный корень уравнения
2sin x + 1 =0. ответ запишите в градусах.
2) Укажите число корней уравнения tgx•ctgx + cosx = 0,
принадлежащих [0;2π].
3) Найдите наименьший положительный корень уравнения
Sin(π - x) – cos(π/2 +x) = -1. ответ запишите в градусах.
Заранее
With the general similarity in the cut and receptions Russian costume jewelry has its own peculiarities. In the north, Russian peasants wore, significantly different from the peasants of southern districts. In central Russia wore a suit similar in nature to the north, however, in some specific areas can be seen with the features of the southern Russian costume clothes [1].
A distinctive feature of Russian national costume - a large amount of clothing. Clothing union and swing. Cap clothing worn over the head, swing had a cut from top to bottom and end to end fastens on hooks or buttons.