Task/25736516
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Вычислить arccos(-1/2) - arctan( -1/√3) +arcsin(-1/√2) - arctan0 +arctan1
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arccos(-1/2) - arctan( -1/√3) +arcsin(-1/√2) - arctan0 +arctan1 =
π - arccos(1/2) +arctan(1/√3) - arcsin(1/√2) - 0 +π/4=
π -π/3 +π/6 -π/4 +π/4 = 5π/6 .
ответ : 5π/6 .