Question

friends answer this question pls fast​

Answer 1

Answer:

0

Step-by-step explanation:

cCos35 +cos85+cos 155

Cos(60-25)+cos(60+25)+cos155

2 cos60 cos 25 + cos (180-25)

2*1/2 cos25 - cos 25

Cos 25 - cos25=0

Answer 2

Answer:

I can answer

Step-by-step explanation:

1. brother

2. sister

3. sister

4. brother

5. uncle

6. mother

hope it helps you friend

actually I like to answer blood relation questions