Вычислить производную функции: [tex]y=\frac{tg(x)}{2x}[/tex]. Created by kalashnikova8851. matematika-ru

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July 2022 1 20 Report

Вычислить производную функции:
[tex]y=\frac{tg(x)}{2x}[/tex]

Answers & Comments

Miroslava227

Ответ:

$y' = \frac{ \frac{1}{ { \cos }^{2} (x)} \times 2x - 2tg(x)}{4 {x}^{2} } = \\ = \frac{2x}{ { \cos}^{2} (x)} \times \frac{1}{4 {x}^{2} } - \frac{2tg(x)}{4 {x}^{2} } = \\ = \frac{1}{2x { \cos }^{2}(x) } - \frac{tg(x)}{2 {x}^{2} }$

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Сколько химических связей содержится в молекуле декана С10Н22?...

The old man told the little girl … across the street. а) not to run b) don’t run...

Oleg’s … our help is regrettable. а) to refuse b) refusing c) is refused d) refu...

The teacher asked Bob when … to swim. а) he learnt b) he had learnt c) he will l...

The man … to my friend is my English teacher. а) speaks b) speak c) speaking d) ...

We agreed … the contract. а) to sign b) signing c) to be signing d) sign...

Henry told me … my car. а) he hadn’t taken b) he hasn’t taken c) he doesn’t take...

I kept silent and watched them … chess. a) to play b) played c) playing d) were ...

I asked the old gentleman if … well. а) he was feeling b) he were feeling c) was...

My little daughter … read already. а) can b) may c) must d) –...

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