find sin(x/2) cos(x/2) and tan(x/2) in each of the following cosx= -(1/3) x in quadrant III

find sin(x/2) cos(x/2) and tan(x/2) in each of the following cosx= -(1/3) x in quadrant III Find sinx/2, cosx/2 and tanx/2 in each of the following: cos x=-1/3, x in quadrant III If cosx=-1/3, X in quadrant third then find the value of sinx/2, cosx/2 and tanx/2 NCERT Mathematics solution JEE Advance solution mathematics JEE Mains solution mathematics #mathematics #ncert #JEE #JEE_MAINS #IITJEE #concepts&methods concepts & methods #conceptsandmethods concepts and methods