[" 4.21."(x)/(2)=(12)/(13)" and "x" lies in Quiad vants "],[" Find the value of! - "],[" (i) "sin x" (ii) "cos x" liil tanx."]

If cos (x)/(2) =(12)/(13) and x lies in Quadrant I find the value of sin x

If sin x=(-1)/(2) " and x lies in Quadrant IV find the values of (i) " sin ".(x)/(2) " "(ii) " cos " (x)/(2) " " (iii) " tan " (x)/(2)

If cosx = (-3/5) , x lies in the 3rd Quadrant . Find the value of : (i) sinx (ii) tanx?

If cos x=- (1)/(3) and x lies in Quadrant III find the values of (i) " sin " .(x)/(2) , (ii) " cos " .(x)/(2) , (iii) " tan ".(x)/(2)

If cos x=- (1)/(3) and x lies in Quadrant III find the values of (i) " sin " (x)/(2) , (ii) " cos " (x)/(2) , (iii) " tan " (x)/(2)

If cos x=-(3)/(5) and x lies in the IIIrd quadrant,find the values of (cos x)/(2),(sin x)/(2) and s in2x

(ii)Find the value of cos x-sin x ?.

If sin x=(-2sqrt(6))/(5) "and " x lies Quadrant III find the values of cos x and cot x

if tanx=-4/3,x lies in Il quadrant, then find the value of sin(x/2)

if tanx=-4/3,x lies in Il quadrant, then find the value of sin(x/2)