Prove the identity
cos(-x)/[1+sin(-x)]=secx+tanx
...
![subject](/tpl/images/cats/mat.png)
Mathematics, 27.10.2019 12:43 cierrajo2020
Prove the identity
cos(-x)/[1+sin(-x)]=secx+tanx
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:40, oprajapati
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:10, megharx
Will mark the brainliest. paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30, lazybridplayer
Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations
Answers: 1
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 22.03.2021 23:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 22.03.2021 23:40
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/en.png)
English, 22.03.2021 23:40
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.03.2021 23:40
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/health.png)
Health, 22.03.2021 23:40