Find `sin(x/2), cos(x/2)` and `tan(x/2)` in each of the following if `cosx=-1/3`

Find sin""(x)/(2),cos""(x)/(2)andtan""(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 case: sin x = (1)/(4), x in II quadrant.

Find sin x/2 ,cos x/2 and tan x/2 of the following : cotx=-1/3 , x in quadrant III

Find sin x/2 ,cos x/2 and tan x/2 of the following : cotx=-1/3 , x in quadrant III

Find sin ""(x)/(2), cos "" (x)/(2) and tan "" (x)/(2) in each of the case: tan x = (-4)/(3) , x in II quadrant.

Find sin x/2 ,cos x/2 and tan x/2 of the following : sin x =1/4, x in quadrant II.

Find sin(x/2) , cos(x/2) , and tan(x/2) if tanx=-4/3 and x is in the second quadrant.

Find sin(x/2) , cos(x/2) and tan(x/2) if cosx=(-1/3) and x lies in the 3rd quadrant .

Let P(x)=cot^(2)x ((1+tanx+tan^(2)x)/(1+cot x+ cot^(2)x))+((cos x-cos 3x+sin3x-sin x)/(2(sin 2x+cos2x)))^(2) . Then, which of the following is (are) correct ?

Let P(x)=cot^(2)x ((1+tanx+tan^(2)x)/(1+cot x+ cot^(2)x))+((cos x-cos 3x+sin3x-sin x)/(2(sin 2x+cos2x)))^(2) . Then, which of the following is (are) correct ?