Предмет: Алгебра, автор: piskulink20

Упростить выражение : 24sin²x+8+24cos²x

Приложения:

Ответы

Автор ответа: afet74

Ответ:

Объяснение:

sin²x+cos²x=1

24sin²x+8+24cos²x=24(sin²x+cos²x)+8=24+8=32

Автор ответа: Universalka

$24Sin^{2} x+8+24Cos^{2}x=24Sin^{2} x+24Cos^{2}x +8=\\\\=24\underbrace{(Sin^{2} x+Cos^{2}x )}_{1}+8=24\cdot1+8=24+8=\boxed{32}$

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: juliaenina678

звуковая запись слова харёк,зверёк,матрос,привёз

1 год назад

Предмет: Русский язык, автор: savchenkok531

Как подчёркивать это предложение:
Двое геологовсемеро суток шли по тайге.

1 год назад

Предмет: Английский язык, автор: Mynameisa

A.Open the brackets to complete the text. Use past tenses.

1. One morning Mrs Jones (find) herself in possession of fifteen dollars.
2.This was an enormous sum of money in those days and she (jump) with joy as she (touch) her purse.
3.She (not, feel) so happy in years.
5.It (take) her some time to decide how she (can) spend the money.
6.First of all, her daughter (need) a new pair of shoes.
7.Mrs Jones already (see) some in a shop window - a real bargain!
8.Then the boys, of course, they (want) new caps so much.
9.All these plans (keep) her awake with anticipation.
10.Poverty (teach)her to know the value of a good bargain.
11.Mrs Jones (walk) along the street (peer) at the shop windows.
12.In fact she even (forget) to swallow a light breakfast at home!
13.A sign nearby (announce) that leather gloves (reduce) to 111$.
14.When Mrs Jones (hold) them in her hands, they (be) so smooth and smart and she could not resist the temptation and (buy) them.
15.It was a long time since she (be) fitted with gloves and the sensation (make) her (feel) a little dizzy.
16.A few paces down the street she (buy) two expensive magazines and suddenly (realise) she (die) of hunger.
17.She (go) into the restaurant which she often (pass) but never (enter) before. She (choose) a light lunch (enjoy) herself and the day very much.
18.The waiter (bring) the bill and she (leave) the restaurant (find) the next temptation in the form of a theatre entrance.
19.The driver who (take) her home rarely (see) such a longing on the face of a passenger that the car would never stop

1 год назад

Предмет: Алгебра, автор: Binela

1) выяснить, какие (.) принадлежат графику A(0;0), B(-2;11)
Y=3-4x 11=3-4(-2)

8 лет назад

Предмет: История, автор: cotmaksym

Чем известна Древняя Греция?
(Прошу вас кратко)
Пятый класс

8 лет назад