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Pushinka33
@Pushinka33
June 2022
1
22
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20б! Решите:
sin²x+sin²2x+sin²3x=1,5
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Freakazoid
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Пользуемся формулой понижения степени:
2 votes
Thanks 2
Pushinka33
Большое спасибо!!!!!!!!!!!!!!
Freakazoid
пожалуйста)
Pushinka33
:))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
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Пользуемся формулой понижения степени: