If sin ` A = (3)/(5)` and A is in I quadrant then find sin2 A .

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

If cos A =(21)/(29) and A lies in the fourth quadrant , find "sin" A and tan A . If "sin" A=(21)/(29) and A lies in the second quadrant prove that sec A + tan A=(-5)/(2)

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

If x=3/4 and x lies in the third quadrant , find sin x.

If sin A=21/29 and A lies in the second quadrant, find sec A + tan A=(-5)/2 .

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

If sin x=(sqrt(5))/(3) and x lies in IInd quadrant,find the values of (cos x)/(2),(sin x)/(2) andtan (x)/(2)