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Show that the equation sec^2 theta=(4xy)...

Show that the equation `sec^2 theta=(4xy)/(x+y)^2` is only possible when x=y

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Prove that the relation sin^(2)theta = (x+y)^(2)/4xy is not 4xy possible for any real theta where x in R , y in R such that |x | ne ly| .

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Knowledge Check

  • sec^(2) theta =(4xy)/((x+y)^(2)) is true, if

    A
    `x+y ne 0`
    B
    `x = y, x ne 0`
    C
    `x=y`
    D
    `x ne 0, y =0`

  • The equation sin^(2) theta = ( x^(2) + y^(2))/(2xy) is possible if

    A
    x=y
    B
    x= - y
    C
    2x=y
    D
    none of these

  • sec^20 =(4xy)/(x+y)^2 is true, if and only if

    A
    `x+y!=0`
    B
    `x=y,x!=0,y!=0`
    C
    `x=y`
    D
    `x!=0,y!=0`

    • Similar Questions

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    The equation sin^(2)theta=(x^(2)+y^(2))/(2xy),x,y!=0 is possible if

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    cos ec^(2)theta=(4xy)/((x+y)^(2)) is true if and only if

    Show that sin^(2)theta=(x^(2)+y^(2))/(2xy) is possible for real value of x and y only when x=y!=0

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