Предмет: Математика, автор: artemoksamytnyj

знайдіть ctga якщо tga=-1

Ответы

Автор ответа: polinasim73

1

tga=-1

Ответ: a=-pi/4+pin, n €Z

Автор ответа: alinakubrak9

1

tga=-1
Ответ на вопрос: a=-pi/4+pin, n €Z

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: topaarina

Put the verbs into right tense according to the rules of Sequence of Tenses:
1. I thought he (come)_____ in time.
2. Bob wanted to know what (become)_____ of the books which he (leave)_____ here the day before.
3. I finally said that I (not wish)_____ to hear any more about the subject.
4. Mark remembered that he (leave)_____ his key and diary at the hotel.
5. We have heard that he (be)____ very clever.
6. My wife told me that in an hour she (go)_____ for a walk.
7. The boy did not know that the water (boil)_____ at 100°degree.
8. He told us how he (live)_____ in the North. We were quite astonished when he said that in the far North the sun never (rise)_____ in winter and never (set)_____ in summer.
9. Last year I skated much better than I (do)_____ now.
10. The teacher told us that there (be)____ 26 letters in English alphabet.
11. The pupil who (answer)_____ questions now did not know any English last year.
12. One day the boy asked his father how long elephants (live)______.
13. Her cousin (seem)_____ surprised to find us there. He (say)_____he (think)____ that we (start)____ an hour ago. Then he (tell)_____ us he (go)____ probably for a voyage the following month with his family.
14. Poor uncle (rush)_____ to the nursery to see what his young daughter (do)____ there as there (be)____ a terrible noise in the house.
15. They (begin)____ to ask me questions about myself and pretty soon they (have)____ my story. Finally they (tell)____ me I (answer)____ their purpose . I (say)_____ I (be)_____ sincerely glad, and (ask)____ what it (be)___. Then one of them (hand)___ me an envelope and (say)_____ I (find)____ the explanation inside.

11 месяцев назад

Предмет: Геометрия, автор: kuloxqwppp

КМ — середня лінія трапеції ACDF. За
рисунком знайти більшу основу АF тра-
пеції.
а) 20 см;
в) 8 см;
б) 16 см;
г) 14 см.

11 месяцев назад

Предмет: Геометрия, автор: Fenicklo

СРОЧНО!! Периметр рівнобедреного трикутника дорівнює 110 см. Якими можуть бути сторони трикутника, якщо довжини двох з них відносяться як 3:4?

11 месяцев назад

Предмет: Математика, автор: Kseniya2222222222222

Сколько будет 13,7+а=18,4?

6 лет назад

Предмет: Английский язык, автор: tgrad3467

Күрделі көмірсу фруктоза гликоген лактоза глюкоза
кайсысы?

6 лет назад