Let `alpha` and ` beta` be any two positve values of x for which `2 cos x, | cos x|` and `1-3 cos^(2)x` are in GP. The minium value of `|alpha+beta|` is

Let alpha and beta be any two positive values of x for which 2 cos x,|cos x| , and 1-3cos^(2)x are in G.P. The minimum value of |alpha-beta| is

Let alpha and beta be any two positive values of x for which 2cos x, l cos x|, and 1-3cos^(2)x are in G.P.The minimum value of | alpha-beta| is (pi)/(3) (b) (pi)/(4)(c)(pi)/(2) (d) none of these

Let alpha, beta be any two positive values of x for which 2"cos"x, |"cos"x| " and " 1-3"cos"^(2) x are in G.P. The minimum value of |alpha -beta| , is

Let alpha, beta be any two positive values of x for which 2"cos"x, |"cos"x| " and " 1-3"cos"^(2) x are in G.P. The minimum value of |alpha -beta| , is

alpha and beta are two positive value of x for which 2 cos x,|cos x| and 1-3 cos^(2) x are in GP. The minimum value of |alpha-beta| is equal to

sin alpha + sin beta = 1/4 and cos alpha + cos beta = 1/3 The value of cos ( alpha + beta) is

sin alpha + sin beta = 1/4 and cos alpha + cos beta = 1/3 The value of sin (alpha + beta) is