" 6.If "(x+iy)(2+cis theta)=3" then "x^(2)+y^(2)-4x+3=

If 2y cos theta =x sin theta and 2x sec theta -y cosec theta =3, then x ^(2) +4y^(2)=

If (1 + cos theta - isin theta) ( 1+ cos 2 theta + isin 2 theta) = x +iy then x^(2) + y^(2) =

If 2y cos theta =x sin theta and 2x sec theta -y cosec theta =3, then x ^(2) +4y^(2)= ............... A) 4 B) -4 C) -2 D) 2

If x = a cos ^ (2) theta sin theta and y = a sin ^ (2) theta cos theta then ((x ^ (2) + y ^ (2)) ^ (3)) / (x ^ (2 ) and ^ (2)) =

If (1+cos theta-i sin theta)(1+cos2 theta+i sin2 theta)=x+iy then x^(2)+y^(2)=

If x +iy = (3)/(2 + cos theta + isin theta) , show that x^(2) + y^(2) = 4x - 3

If x+iy=(3)/(2+cos theta+i sin theta), then show that x^(2)+y^(2)=4x-3

If x+iy = (3)/(2+costheta+ isintheta) prove that x^(2)+y^(2)=4x-3

If x = 3sin theta + 4cos theta and y = 3cos theta - 4 sin theta then prove that x^(2) + y^(2) = 25 .