Найдите наибольшее значение функции y=36tgx-36x+9П-4 на отрезке [-П/4; П/4] 

1.      You will be driven to the airport by someone. 2.      Pyramids were built by the Egyptians. 3.      ? 4.      I was informed about it by them. 5.      8h were slept by me 6.      ? 7.      ? 8.      Their car has been sold by them to pay the debts. 9.      A meeting in the village hall is held once a week 10.  The bank is owed a lot of money by them.