Решение:
2arcsin1 + 3arccos(1/2) - arcctg1 = 2•π/2 + 3•π/3 - π/4 = π+π-π/4 = 2π-π/4 = (8π-π)/4 = 7π/4
Ответ: 7π/4
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Решение:
2arcsin1 + 3arccos(1/2) - arcctg1 = 2•π/2 + 3•π/3 - π/4 = π+π-π/4 = 2π-π/4 = (8π-π)/4 = 7π/4
Ответ: 7π/4