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olyalavyagina
@olyalavyagina
July 2022
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Тригонометрическое неравенство:
sin²x>1/4
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kalbim
Verified answer
1) sinx < -1/2
-π/6 + 2πk < x < -5π/6 + 2πk
2) sinx > 1/2
π/6 + 2πk < x < 5π/6 + 2πk
Рисунок с окружностью прикреплен
1 votes
Thanks 2
olyalavyagina
А можно объединить эти два решения?
kalbim
можно просто поставить +- перед pi/6 и 5pi/6
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Answers & Comments
Verified answer
1) sinx < -1/2-π/6 + 2πk < x < -5π/6 + 2πk
2) sinx > 1/2
π/6 + 2πk < x < 5π/6 + 2πk
Рисунок с окружностью прикреплен