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" If "sin^(4)x+cos^(4)y+2=4sin x cos y,0...

" If "sin^(4)x+cos^(4)y+2=4sin x cos y,0<=x,y<=pi/2" then "sin x+cos y=

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If sin^(4)x+cos^(4)y+2=4sin x cos y then the value of sin x+cos y is equal to

If sin^(4)x+cos^(4)y+2=4sin x*cos y and 0<=x,y<=(pi)/(2) then sin x+cos y is equal to

If sin^4x + cos^4y + 2 = 4 sin x.cos y and 0 le x, y le pi/2 then sin x + cos y is equal to

If y= ( sin^(4) x - cos^(4) x + sin^(2) x cos^(2) x )/( sin^(4) x + cos^(4) x + sin^(2) x cos^(2) x) , x in ( 0, (pi)/(2) ) , then

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If y=(sin^(4)x-cos^(4)x+sin^(2) x cos^(2)x)/(sin^(4) x+ cos^(4)x + sin^(2) x cos^(2)x), x in (0, pi/2) , then

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If sin x ( cos ""(x)/( 4) - 2 sin x) + ( 1 + sin "" (x)/( 4) - 2 cos x) cos x = 0 then x =

If y = sin^(4)x + cos^(4)x then (y_(4)(0))/8 is equal to