October 2021 0 15 Report
вычислите 1) arcctg 1-arctg √3-arccos (-1/2); 2) arcsin(-1/2)+arctg (-1/√3)-arcctg √3;  3) arcsin -1- 3/2 arccos 1/2+3arcctg (-1/√3); 4) -4*arcsin (-√2/2) +8 arccos (-√2/2) -15*arctg √3/3
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