![subject](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 17:50 shadowsnake
find the exact value of sin a = 4/5, a lies in quadrant 2, and cos B = 2/5, B lies in quadrant 1 find cos(a-b)
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/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 19:00
Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?
Answers: 3
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50
If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.
Answers: 3
You know the right answer?
find the exact value of sin a = 4/5, a lies in quadrant 2, and cos B = 2/5, B lies in quadrant 1 fin...
Questions
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.04.2021 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 06.04.2021 18:50
![question](/tpl/images/cats/istoriya.png)
History, 06.04.2021 18:50
![question](/tpl/images/cats/health.png)
Health, 06.04.2021 18:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 06.04.2021 18:50
![question](/tpl/images/cats/en.png)
English, 06.04.2021 18:50
![question](/tpl/images/cats/istoriya.png)
History, 06.04.2021 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.04.2021 18:50
![question](/tpl/images/cats/User.png)
SAT, 06.04.2021 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.04.2021 18:50