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inkabtg
@inkabtg
August 2022
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Cos(pi/2+arcsin1/5) алгебра
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NNNLLL54
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cos(pi/2+a)= -sina
cos(pi/2+arcsin1/5)= -sin(arcsin1/5)= -1/5
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Verified answer
cos(pi/2+a)= -sinacos(pi/2+arcsin1/5)= -sin(arcsin1/5)= -1/5