" If "tan((pi)/(4)+(y)/(2))=tan^(3)((pi)/(4)+(x)/(2))," then "sin x((3+sin^(2)x)/(1+3sin^(2)x))" equals "

if tan ((pi)/(4)+(y)/(2))=tan^(3)((pi)/(4)+(x)/(2)) then (3+sin^(2)x)/(1+3sin^(2)x)=

If tan((pi)/(4)+(y)/(2))=tan^(3)((pi)/(4)+(x)/(2)) then (3+sin^(2)x)/(1+3sin^(2)x)=

If tan((pi)/(4)+(y)/(2))=tan^(3)((pi)/(4)+(x)/(2))* Prove that (sin y)/(sin x)=(3+sin^(2)x)/(1+3sin^(2)x)

If tan(pi/4+y/2)=tan^3(pi/4+x/2)dot Prove that (siny)= (sinx)(3+sin^2x)/(1+3sin^2x) .

If tan(pi/4+y/2)=tan^3(pi/4+x/2)dot Prove that (siny)= (sinx)(3+sin^2x)/(1+3sin^2x) .

If tan(pi/4+y/2)=tan^3(pi/4+x/2)dot Prove that (siny)/(sinx)=(3+sin^2x)/(1+3sin^2x) .

If 3tan((x+y)/(2))=5tan((x-y)/(2)) then (sin x)/(sin y) is equal to

The expression (tan(x-(pi)/(2))cos((3 pi)/(2)+x)-sin^(3)((7 pi)/(2)-x))/(cos(x-(pi)/(2))tan((3 pi)/(2)+x)) is equal to

If x=sin(2tan^(-1)3)and y=sin((1)/(2)tan^(-1)(4/3)) , then