Task/26174423
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Вычислить
а) arcsin(√2) /2 = π/4 ; б) (π/3)*arccos(√3)/2 =(π/3)*(π/6) =π²/18 ;
в) 2 - arcctg(1/√3) = 2 - π/3 ;
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г) arccos(-√3 )/2) =π-arccos(√3)/2)=π-π/6 =5π/6 ;
д) arcsin(-√3 )/2) = - arcsin(√3 )/2)= - π/3; е) arctg√3 = π/3 .