Sin(A) =
4/5
cos(B) =
15/17
Find cos(A + B)...
![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)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:10
What 8/12+8/11 in another way than and improper fraction
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 21:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 18.02.2021 21:20
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 18.02.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 21:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 21:20
![question](/tpl/images/cats/biologiya.png)
Biology, 18.02.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 21:20
![question](/tpl/images/cats/en.png)
English, 18.02.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 21:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 18.02.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 21:20
![question](/tpl/images/cats/ekonomika.png)