Eliminate x and y from the following equations : `a sin ^(2)+ b cos^(2) x=c, b sin ^(2) y+ a cos^(2) y=d, a tan x= b tan y`.

Eliminate theta from the following equation : x cos theta - y sin theta = a, x sin theta + y cos theta = b

Eliminate theta from the following equation: x cos theta-y sin theta=a,x sin theta+y cos theta=b

Eliminate A and B from y = A cos 2x + B sin 2x + (1)/(2) e^(2x) .

If a sin^(2)x+b cos^(2)x=c, b sin^(2)y+a cos^(2)y=d and atan x=btany then the value of ((d-a)(c-a))/((b-c)(b-d))=

Eliminate 'a' and 'b' from : y=a cos x+b sin x

If a sin^(2)x+b cos^(2)x=c,b sin^(2)y+a cos^(2)y=d and a tan x=b tan y then (a^(2))/(b^(2))=......*(0

Eliminate 'a' and 'b' from : y= a cos x + b sin x .

Suppose that for some angles x and y the equations sin^(2)x+cos^(2)y=(3a)/(2) , cos^(2)x+sin^(2)y=(a^(2))/(2) hold simultaneously then the value of cos2x-cos2y equals (A) a (B) 2-a (C) 3a-2 (D) 2a-3