![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 15:00
Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.
Answers: 1
You know the right answer?
Vary hard 6th grade work...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 16.07.2019 19:40
![question](/tpl/images/cats/en.png)
English, 16.07.2019 19:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 16.07.2019 19:40
![question](/tpl/images/cats/istoriya.png)
History, 16.07.2019 19:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.07.2019 19:40
![question](/tpl/images/cats/biologiya.png)
Biology, 16.07.2019 19:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 16.07.2019 19:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.07.2019 19:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.07.2019 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 16.07.2019 19:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.07.2019 19:40