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Find the difference of slopes of the lin...

Find the difference of slopes of the lines represented by `y^2- 2xy sec^2 alpha+(3+tan^2 alpha)(-1+tan^2 alpha)x^2=0`

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Knowledge Check

  • sin 2 alpha - cos 2 alpha tan alpha =

    A
    `- tan alpha `
    B
    `tan alpha `
    C
    `sin 2 alpha `
    D
    `cos 2 alpha `

  • tan2alpha-tanalpha(1+sec2alpha)=

    A
    `sin alpha`
    B
    `cosalpha`
    C
    0
    D
    `tanalpha`

  • The difference of the slopes of the lines represented by x^2(tan^2theta+cos^2theta)+2xytantheta+y^2sin^2theta=0 is

    A
    1
    B
    2
    C
    3
    D
    4

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    Find the acute angle between pair of lines represented by following equations. x^(2)+2xy cot alpha-y^(2)=0

    Find the acute angle between the pair of lines represented by the following equations. x^(2)+2xy cot alpha-y^(2)=0

    The difference of the slopes of the lines x^(2)(sec^(2) theta- sin^(2) theta)-(2 tan theta)xy+y^(2) sin^(2) theta=0

    The angle between the straight lines represented by (x^(2) + y^(2)) sin^(2) alpha = (x cos alpha - y sin alpha)^(2) is

    tan alpha+ 2 tan 2 alpha+ 4 tan4 alpha+8 cot 8 alpha=

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