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dreamoto1
@dreamoto1
July 2022
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Решите уравнение!
Cos t=корень из 23/5
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TARTILLO
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Решите уравнение!
Cos t=корень из 23/5
Cos t=√( 23/5)
√( 23/5)>1 ⇒ Cos t=√( 23/5) не имеет решений
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TARTILLO
а если Cos t=(√23)/5 то t1=arccos((√23)/5)+2(pi)n, t2=-arccos((√23)/5)+2(pi)n
TARTILLO
n принадлежит Z
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Answers & Comments
Verified answer
Решите уравнение!Cos t=корень из 23/5
Cos t=√( 23/5)
√( 23/5)>1 ⇒ Cos t=√( 23/5) не имеет решений