Вычислите: ctg(arccs1/2+arcsin корень из3/2)
ctg(arccs1/2+arcsin корень из3/2)
ctg ( п/3 + п/6) = сtg п/2 = 0
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ctg(arccs1/2+arcsin корень из3/2)
ctg ( п/3 + п/6) = сtg п/2 = 0