![subject](/tpl/images/cats/mat.png)
Mathematics, 12.07.2021 02:20 dianaaivanov
If sin 2A + sin 2B = a and cos 2A + cos2B = b, prove that cot(A + B)=b/a
![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 18:00
What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:40
The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
How can you find the mean absolute deviation (mad) for this set of data?
Answers: 3
You know the right answer?
If sin 2A + sin 2B = a and cos 2A + cos2B = b, prove that cot(A + B)=b/a...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 06.03.2021 07:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.03.2021 07:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.03.2021 07:30
![question](/tpl/images/cats/health.png)
Health, 06.03.2021 07:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.03.2021 07:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.03.2021 07:30
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.03.2021 07:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.03.2021 07:30
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
English, 06.03.2021 07:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/es.png)
Spanish, 06.03.2021 07:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 06.03.2021 07:30