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valera97978
@valera97978
August 2022
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Арксинус самостоятельная,need help!
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Arcsin(корень(2)/2) +arcsin(-1) -2*arcsin(0) = pi/4-pi/2+0=-pi/4
arcsin(ctg(pi/4)) =arcsin(1) =pi/2
cos(arcsin(-1/2)-arcsin(1) ) = cos(-pi/6-pi/2 ) =-sin(pi/6)=-1/2
sin(t)=0 => t=pi*k
sin(t)=1/корень( 2)=> t=pi/2(+/-)pi/4+2*pi*k
sin(t)=-корень( 3)=> t є {Ø}
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Answers & Comments
Verified answer
Arcsin(корень(2)/2) +arcsin(-1) -2*arcsin(0) = pi/4-pi/2+0=-pi/4arcsin(ctg(pi/4)) =arcsin(1) =pi/2
cos(arcsin(-1/2)-arcsin(1) ) = cos(-pi/6-pi/2 ) =-sin(pi/6)=-1/2
sin(t)=0 => t=pi*k
sin(t)=1/корень( 2)=> t=pi/2(+/-)pi/4+2*pi*k
sin(t)=-корень( 3)=> t є {Ø}