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lenoshkalyada21
@lenoshkalyada21
March 2023
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Представь выражение 1-cos12a
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666hello
[tex]1 - \cos(12 \alpha ) = \\ \\ \\ 2 \times \frac{1 - \cos(12 \alpha ) }{2} = \\ \\ \\ 2 \times \sin( \frac{12 \alpha }{2} {)}^{2} = \\ \\ \\ 2 \times \sin(6 \alpha {)}^{2} = \\ \\ \\ 2 \sin(6 \alpha )^{2} .[/tex]
ЛУЧШИЙ ОТВЕТ, ПОЖАЛУЙСТА.
формула для решения в фото.
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[tex]1 - \cos(12 \alpha ) = \\ \\ \\ 2 \times \frac{1 - \cos(12 \alpha ) }{2} = \\ \\ \\ 2 \times \sin( \frac{12 \alpha }{2} {)}^{2} = \\ \\ \\ 2 \times \sin(6 \alpha {)}^{2} = \\ \\ \\ 2 \sin(6 \alpha )^{2} .[/tex]
ЛУЧШИЙ ОТВЕТ, ПОЖАЛУЙСТА.
формула для решения в фото.