Задачи

Вычислите (tg 1° – 1) · (tg 2° – 1) · (tg 3° – 1) · ... · (tg 87° – 1) · (tg 88° – 1) · (tg 89° – 1).

Задачи newTitle = "Задача" + " " + "2."; if("4" != "") newTitle+="4."; if("3" != "") newTitle+="3."; newTitle+="9"; window.top.document.title=newTitle;