Given that: `(1+cosalpha)(1+cosbeta)(1+cosgamma)=(1-cosalpha)(1-cosbeta)(1-cosgamma)dot` Show that one of the values of each member of this equality is `sinalphasinbetasingammadot`

Given that: (1+cos alpha)(1+cos beta)(1+cos gamma)=(1-cos alpha)(1-cos beta)(1-cos gamma) Show that one of the values of each member of this equality is sin alpha sin beta sin gamma

Given that: (1+cos alpha)(1+cos beta)(1+cos gamma)=(1-cos alpha)(1-cos beta)(1-cos gamma) Show that one of the values of each member of this equality is sin alpha sin beta sin gamma

Prove related problems - Type 2-(1) If cos theta+sintheta=sqrt2costheta prove that cos theta-sin theta=sqrt2 sin theta(2) Given that (1+cos alpha)(1+cos beta)(1+cos gamma)=(1-cosalpha)(1-cosbeta)(1-cosgamma) Show that the value of each member of the equality is sinalphasinbetasingamma

(1+cosalphacosbeta)^2-(cosalpha+cosbeta)^2=

If cosalpha+cosbeta+cosgamma=sinalpha+sinbeta+singamma=0 , then the value of cos3alpha+cos3beta+cos3gamma is

If cosalpha+2cosbeta+3cosgamma=sinalpha+2sinbeta+3singamma=0 then the value of sin 3alpha+8sin3beta+27sin 3gamma , is

Prove that (1-cosalpha)/sinalpha=tan(alpha/2)