(3sqrt(cos^2x-1))*(1-cos^2x) / (sqrt(sinx)) = 0

Тело начинает двигаться из положения покоя с ускорением, зависящим от времени a(t)=2t+2.Найти путь, пройденный телом, за первые 3 секунды?

угадай-ка (ПТК)

1.Он - опорный край державы, Ее добытчик и кузнец, Ровесник древней нашей славы И славы нынешней творец.

2.Ее фундамент - молодая платформа. Поверхность имеет вогнутую форму, большая часть ее заболоченная, недра богаты нефтью и газом.

3.Здесь много теплых и горячих озерков, лужиц самых разнообразных цветов: от небесно-голубого и бирюзового до коричневого и красного. Фыркают и плюются грязевые котлы. Все вокруг пропитано паром. Трудно дышать. Медведи весной находят здесь теплую грязь и греются в ней.

Английский!!! Пожалуйста напишите по одному ключевому вопросу к каждому параграфу. Write a key question to each paragraph. всего 5 вопросов.

1) The value of an administration depends on the way its staff is deployed, according to the efficiency of the regulations and the processes of allocation, promotion, secondment and so on. The use, which is made of public servants, can contribute also to their training and development. Lastly morale and efficiency are always influenced by the quality of the management, which the official is subject.

2) Personnel management is relatively simple when it concerns officials recruited to fill a specific post, who do not belong to any particular corps and are not in the career service. Where they are concerned there is normally no question of promotion, transfer or secondment, since they are bound to the State by bonds identical to private law, their dismissal does not raise any special difficulties.

3) Personnel management is very complex when it concerns career officials. The difficulties arise round the following problems, some of which concern noncareer staff, too: - To what extent should personnel management be subject to general and compulsory reglementation? - To whom should it be entrusted? - What considerations should guide the principal management measures? - How can good human relations be established within the civil service?

4) Personnel management is that part of management concerned with the management of people at work.

5) Most organizations have a specialist personnel department which gives support to personnel specialists, managers and supervisors, who have direct responsibility for the management of people.