1/2-корень из 3П/12 равно 1/2√(3π/12) = 1/2(√3π/√12) = (√3π)/(2√12) = (√3π)/(22√3) = (√3π)/(4√3) = √π/4.
1/2-корень из 3П/12 равно 1/2√(3π/12) = 1/2(√3π/√12) = (√3π)/(2√12) = (√3π)/(22√3) = (√3π)/(4√3) = √π/4.