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eskarletche8

eskarletche8

19.08.2019 •

Mathematics

Plz solve question number 5 a
(trigonometric equations)
#salute u if u solved it

Plz solve question number 5 a (trigonometric equations) #salute u if u solved it

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Ответ:

yesharabaskoro

31.12.2021

$\tan\beta+\cot\beta=2$

Recall that $\cot\beta=\frac1{\tan\beta}$ . So if $\tan\beta\neq0$ , we can multiply both sides of the equation by $\tan\beta$ to get

$\tan^2\beta+1=2\tan\beta\implies\tan^2\beta-2\tan\beta+1=0$

$\implies(\tan\beta-1)^2=0$

$\implies\tan\beta-1=0$

$\implies\tan\beta=1$

$\implies\boxed{\beta=45^\circ,225^\circ}$

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Ответ:

tonya3498

05.03.2021

0.02992
This is it and I need points

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