If `sinA=-4/5` and A lies in 3rd quadrant, find the values of (i) `sin2A` ii) `cos2A`.

If sinA=-4/5 and A lies in 3rd quadrant, find the values of sin2A

If sinA+cosA=0 and A lies in 4th quadrant, find the values of sinA and cosA.

If sinA+cosA=0 and A lies in 4th quadrant, find the values of sinA and cosA.

If secA=-2 and A lies in third quadrant, find the value of (4 cot^(2)A-3sin^(2)A) .

If secA=-2 and A lies in third quadrant, find the value of (4 cot^(2)A-3sin^(2)A) .

If cos A=-12/13 and cotB=24/7 where A lies in second quadrant and B lies in third quadrant then find the values of (i) sin (A+B) (ii) cos(A+B) (iii) tan(A+B)

If sinA=-3/5 and A lies in third quadrant, find the remaining trignometric ratios.

If sinA=-3/5 and A lies in third quadrant, find the remaining trignometric ratios.

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

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)