If   x = A Sin`theta`

y = ACos`theta` , then find the value of `x^2 + y^2`

If x = a cos theta ,y = b sin theta , then find the value of b^(2) x^(2) + a^(2) y^(2) - a^(2) b^(2) .

If x sin^(3) theta + y cos^(3) theta = sin theta cos theta and x sin theta = y cos theta , then the value of x^(2) + y^(2) is :

If x= 2sin^(2)theta and y= 2cos^(2)theta+ 1 then the value of x+ y is

If x = 2sin^(2)theta and y = 2 cos^(2)theta+1 ,then find x+y

If x=a sin theta and y=b cos theta, what is the value of b^(2)x^(2)+a^(2)y^(2)?

If x=a cos^(3)theta and y=a sin^(3)theta, then find the value of (d^(2)y)/(dx^(2)) at theta=(pi)/(6)

x sin ^ (3) theta + y cos ^ (3) theta = sin theta cos theta and x sin theta = y cos theta Find the value of x ^ (2) + y ^ (2)

If x ="cosec"theta - sin theta and y=sectheta - costheta , then the value of x^(2)y^(2)(x^(2) + y^(2) + 3) is:

If x=a cos theta - b sin theta , and y=a sin theta+b cos theta , what is the value of (x^2+y^2)/(a^2+b^2) ?