if `2sec2alpha=tan beta+cot beta` then one of the value of `alpha+beta` is (A) pi (B) `npi- pi/4, n in ZZ` (C) `pi/4` (D) `pi/2`

If 2 sec 2 alpha = tan beta + cot beta, then one of the values of alpha + beta is ............... A) pi/4 B) pi/2 C) pi D) 2pi

If 2|sin2 alpha|=|tan beta+cot beta|,alpha,beta in((pi)/(2),pi) then the value of alpha+beta is (a) (3 pi)/(4) (b) pi(c)(3 pi)/(2) (d) (5 pi)/(4)

If 2 sin 2alpha=tan beta,alpha,beta, in((pi)/(2),pi) , then the value of alpha+beta is

If 2 sin 2alpha=tan beta,alpha,beta, in((pi)/(2),pi) , then the value of alpha+beta is

If 2|sin2alpha|=|tanbeta+cotbeta|,alpha,beta in (pi/2,pi), then the value of alpha+beta is (a) (3pi)/4 (b) pi (c) (3pi)/2 (d) (5pi)/4

If 2|sin2alpha|=|tanbeta+cotbeta|,alpha,beta in (pi/2,pi), then the value of alpha+beta is (a) (3pi)/4 (b) pi (c) (3pi)/2 (d) (5pi)/4

If 2|sin2alpha|=|tanbeta+cotbeta|,alpha,beta in (pi/2,pi), then the value of alpha+beta is (a) (3pi)/4 (b) pi (c) (3pi)/2 (d) (5pi)/4

If 2 sin 2alpha= | tan beta+ cot beta |alpha,beta, in((pi)/(2),pi) , then the value of alpha+beta is

if abs({:(sinalpha, cosbeta), (cosalpha, sinbeta):})=1/2 , where alpha, beta are acute angles, then find the value of alpha+beta . a) pi/3 b) (2pi)/3 c) pi/2 d) pi/4