[" Three parallel chords of a circle have lengths "2,3,4" and subtend angles "alpha,beta,alpha+beta" at the "],[" centre respectively (given "alpha+beta

Three parallel chords of a circle have lengths 2,3,4 units and subtend angles alpha,beta,alpha+beta at the centre, respectively (alphaltbetaltpi), then find the value of cosalpha

Three parallel chords of a circle have lengths 2,3,4 units and subtend angles alpha,beta,alpha+beta at the centre, respectively (alphaltbetaltpi), then find the value of cosalpha

Three parallel chords of a circle have lengths 2,3,4 units and subtend angles alpha,beta,alpha+beta at the centre, respectively (alphaltbetaltpi), then find the value of cosalpha

Three parallel chords of a circle have lengths 2,3,4 unts and subtend angles alpha,beta,alpha+beta at the centre,respectively (alpha

The sides of a triangle inscribed in a given circle subtend angles alpha, beta, gamma at the centre then minimum value of Arithmetic mean of cos(alpha+pi//2), cos beta+pi//2)cos (gamma+pi//2)

The sides of a triangle inscribed in a given circle subtends angles alpha,beta,gamma at the centre.Then,the minimum value of the arithmetic mean of cos(alpha+(pi)/(2)),cos(beta+(pi)/(2)),cos(gamma+(pi)/(2)) is

The side of a triangle inscribed in a given circle subtends angles alpha,beta and gamma at the centre. The minimum value of the arithmetic mean of cos(alpha+pi/2),cos(beta+pi/2) , and cos(gamma+pi/2) is equal to ____

alpha and beta are acute angles and cos2 alpha=(3cos2 beta-1)/(3-cos2 beta) then tan alpha cot beta=