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Indefic
@Indefic
July 2022
1
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Нужно решить Cos([tex] \frac{ \pi }{2} -arcsin \frac{1}{3} )[/tex]
и уравнение: arcsin(3-x-2)=[tex] \frac{ \pi }{2} [/tex]
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bearcab
Verified answer
1) По формуле косинуса разности
cos(a-b)=cos(a)cos(b)+sin(a)sin(b)
2)
x=0
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Answers & Comments
Verified answer
1) По формуле косинуса разностиcos(a-b)=cos(a)cos(b)+sin(a)sin(b)
2)
x=0