If A+B+C=180
c) cos A + cos B + cos C = 1+4 sinA/2sinB/2sinC/2...
![subject](/tpl/images/cats/mat.png)
Mathematics, 07.12.2020 19:20 adiafloresp2dkbx
If A+B+C=180
c) cos A + cos B + cos C = 1+4 sinA/2sinB/2sinC/2
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?
Answers: 2
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:20
Atriangle has verticals at b(-3,0), c(2,-1), d(-1,2). which transformation would produce an image with verticals b”(-2,1), c”(3,2), d”(0,-1)?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.10.2019 03:31
![question](/tpl/images/cats/himiya.png)
Chemistry, 31.10.2019 03:31
![question](/tpl/images/cats/en.png)
English, 31.10.2019 03:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mir.png)
World Languages, 31.10.2019 03:31
![question](/tpl/images/cats/himiya.png)
Chemistry, 31.10.2019 03:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 31.10.2019 03:31
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.10.2019 03:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 31.10.2019 03:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 31.10.2019 03:31