Sin4x-sin5x-sin6x+sin7x=-4sin x/2 since sin 11х/2 - №15182236

Sin4x-sin5x-sin6x+sin7x=-4sin x/2 since sin 11х/2
- Предмет:
  Математика
- Автор:
  andresp83u
- 6 лет назад

Ответы 1

Ответ ответ ответ ответ ответ. ЭТО ТОЖДЕСТВО!
- Автор:
  beatrizwatson
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

от 100 гр куска масла отрезали 10 гр. во сколько раз отрезанная часть меньше, чем оставшаяся.
- Предмет:
  Математика
- Автор:
  israel
- 6 лет назад
- Ответов:
  
  1
- Смотреть
√(7-4√3)+√(7+4√3) очень срочно
- Предмет:
  Алгебра
- Автор:
  blanchekim
- 6 лет назад
- Ответов:
  
  3
- Смотреть
Какова естественная окраска рака и какое она имеет биологическое значение?
- Предмет:
  Биология
- Автор:
  kirby52
- 6 лет назад
- Ответов:
  
  2
- Смотреть
Hi, my name is Marina Smirnova Im 12 years old and livc in the beuutiful city of Si Petersburg My daily routine is typical of most students my age. I get up at 700 am and after a quick breakfast I walk to school school starts at 800 am and finsbes at 200 pm from Monday to Friday There are 30 students in my class and every day we have 5-6 lessons Each lesson lasts 45 minutes with a lomunute break in benween My favourite lessons are History and Maths. They are both very interesting wo bine lunch in the school canteen during the longer break in the aftornoon. We have many cxciting things to do at school after classes. On Tuesday and Thursday I tune guiuar lessoni After school I go home and eal a snack before 1 stan doing my homework we always have lots of homework to do and it usually takes me 2-3 hours to finish it. Around 6 o'clock in the evening I have dinner with my family. enjoy this time because on weekdays it's the only chance we have to relax and be together as a family. After dinner, l usually watch TV. Like watching sports and music shows sometimes I play a game of chess with my father Most nights I go to bed at 1030pm and read for a while before I go to sleep. Переведите пожалуйста =)
- Предмет:
  Английский язык
- Автор:
  dante404
- 6 лет назад
- Ответов:
  
  2
- Смотреть

How much to ban the user?

1 hour 1 day 100 years