[" 23.If "cos(alpha+beta)sin(gamma+delta)=cos(alpha-beta)sin(gamma-delta)],[" Prove that cot "alpha cot beta" cot "y=cot delta]

If cos(alpha+beta)sin(gamma+delta)=cos(alpha-beta)sin(gamma-delta), prove that cot alpha cot beta cot gamma=cot delta

If cos(alpha+beta)*sin(gamma+delta)=cos(alpha-beta)*sin(gamma-delta) prove that cot alpha cot beta cot gamma=cot delta

If cos(alpha+beta)sin(gamma+delta)=cos(alpha-beta)*sin(gamma-delta) ,prove that :cot alpha*cot beta*cot alpha=cot delta

If cos (alpha+beta) sin (gamma+delta)=cos (alpha-beta) sin (gamma-delta) , prove that : cot alpha cot beta cot gamma= cot delta .

If cos(alpha+beta)sin(gamma+delta)="cos"(alpha-beta)"sin"(gamma-delta) , prove that cotalphacotbetacotgamma=cotdelta

If cos(alpha+beta)*sin(gamma+delta)=cos(alpha-beta)*sin(gamma-delta), prove that cotalphacotbetacotgamma=cotdelta

If cos(alpha+beta)sin(gamma+delta)=cos(alpha-beta)sin(gamma-delta) then the value of cot alpha cot beta cot gamma, is

If cos(alpha+beta)sin(gamma +delta) = cos(alpha-beta)sin(gamma-delta) , then the value of cotalpha*cotbeta.cotgamma is :

If cos (alpha + beta) sin (gamma + delta) = cos (alpha - beta) sin (gamma - delta) then:

If cos beta cos (gamma- alpha)= cos (alpha- beta+ gamma) , prove that cot alpha+ cot y= 2cot beta