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somebody9
@somebody9
July 2022
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СРОЧНО!!! Arccos(x-0.5)-arcsin(x-0.5)=(3pi)/2
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Answers & Comments
Simba2017
Arcin(y)+arcos(y)=pi/2
arccos(x-0.5)=pi/2-arcsin(x-0.5)
подставлю в условие
pi/2-arcsin(x-0.5)-arcsin(x-0.5)=3pi/2
-2arcsin(x-0.50=pi
arcsin(x-0.5)= -pi/2
x-0.5=sin(-pi/20= -1
x= -1+0.5= -0.5
2 votes
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Answers & Comments
arccos(x-0.5)=pi/2-arcsin(x-0.5)
подставлю в условие
pi/2-arcsin(x-0.5)-arcsin(x-0.5)=3pi/2
-2arcsin(x-0.50=pi
arcsin(x-0.5)= -pi/2
x-0.5=sin(-pi/20= -1
x= -1+0.5= -0.5