Вычислить:
а) arcsin √2/2 ; б) arcsin (-1) ; в) arcсos 1/2 ; г) arcсos (- √3/2);
д) arcсos (sin 2π/3); е) arcсos (-1) - arcсos 1/2 - 3 arcсos (- √3/2 );
ж) cos (arcsin ( - √2/2 )) ; з) arcsin (- √2/2 ) + arcsin 1 – arcsin √3/2 ;
и) cos ( 1/2 arcsin 1 + 2arcсos √2/2 ).
С объяснением
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