The correct answer. 1. The mass media gives us the opponunity...
a) to find a job b) to see the world c) to do homework
2. People prefer to know about...
a) bad news b) good news c) all news
3. To attract people's attention to their repons some journalists write
about celebrities,
a) ordinary stories b) true stories c) untrue stories
4. People prefer TV because they can
a) see everything b) feel everything c) touch everything
5. When some people have picnics they enjoy...
a) TV news
c) reading ncaspapers
6. When you see the Internet you get the nch
a) in a day b) just after appearing them c) simultaneously with the TV
b) radio
news
True/False
1. Three sources of information are mentioned in this aricle.
2. All the mass media report all events objectively.
3. People would like to know about extra ordinary events.
4. People are sure that joumalists are given too much freedom
5. Newspapers give us more details about events than TV.
6. TV reacts to events as quickly as the Internet.​

Сначала формулы . затем формулы двойного угла sin2α=2sinαcosα cos2α=cos²α-sin²α=cos²α-(1-cos²α)=2cos²α-1⇒  2cos²α=1+cos2α cos2α=cos²α-sin²α=1-sin²α-sin²α=1-2sin²α⇒  2sin²α=1-cos2α а) сos75°cos105°=cos(90°-15°)·cos(90°+15°)== sin15°(-sin15°)=-sin²15°=-(1-cos30°)/2=(cos30°-1)/2= ((√3/2)-1)/2=0,25√3-0,5б) sin75°sin15°=°sin(90°-15°)sin15°=cos15° sin15°=sin30°/2=1/4=0,25в) sin105°cos15°=sin(180°-75°)cos15°=sin75°cos15°=sin(90°-15°)cos15°=cos15°cos15°=(1+cos30°)/2=(1+(√3/2))/2=0,5 +0,25√3 2 способ формулы cosα·cosβ=0,5cos(α-β)+0,5cos(α+β) sinα·sinβ=0,5cos(α-β)-0,5cos(α+β) sinα·cosβ=0,5sin(α+β)+0,5sin(α-β) а) сos75°cos105°=0,5cos(75°-105°)+0,5cos(75°+105°)=0,5cos(-30°)+0,5 cos180°==0,5· √3/2+0,5·(-1)=0,25√3-0,5б) sin75°sin15°=0,5cos(75°-15°)-0,5cos(75°+15° )=0,5cos60°-0,5 cos90°=0,5·0,5=0,25в) sin105°cos15°=0,5sin(105°+15°)+0,5sin(105°-15°)= =0,5sin120°+0,5sin90°==0,5 sin(180°-60°)+0,5·1=0,5 sin 60°+0,5=0,25√3+0,5

Это что написать надо ? Ну окей ...
- Привет сыночек ! Ну что как там у тебя в школе ?
- Нормально ...
-Чего ты такой грустный ?
- Да так
- Что случилось ?!
-Подожди тут у меня вторая линия ... Так ты опять плохо в школе вёл себя !
- Ну я не виноват... Это всё Люся ! 
-Дома поговорим ! И звонок обрывается .
Перевод :

Is it necessary to write? OK ... - Hi, son! Well, whatever you have in your school? - Fine ... -What Are you so sad? - Yes, so - What happened ?! -Wait Here I have a second line ... So you're sick again at school behaved! - Well, I'm not guilty ... It's Lucy! -At Home talk! And the call is dropped.