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If tanx+tany=25 and cotx+coty=30 then...

If `tanx+tany=25` and `cotx+coty=30` then

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If tanx+tany=(5)/(6) and cotx+coty=5 , then tan(x+y) is

In the following questions, write 'T' for truee and 'F' for false statements. If tanx + tany = 5 and tanx. tany =1/2 then cot(x+y) = 10

Knowledge Check

  • If 1-tanx/1+tanx=tany and x-y=pi/6 , then x, y are respectively

    A
    `(5pi)/(24), pi/(24)`
    B
    `-(7pi)/(24), -(11pi)/(24)`
    C
    `-(115pi)/(24), -(119pi)/(24)`
    D
    none of these

  • cotx-tanx=?

    A
    `cot2x`
    B
    `2cot^(2)x`
    C
    `2cot2x`
    D
    `cot^(2)2x`

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    x-y = pi/4 and cotx + coty=2

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    tanx + cotx=2

    If tanx tany=a and x+y=2b show that tanx and tany are the roots of the equation z^2-(1-a)tan2b*z+a=0

    If tanx tany=a and x+y=2b show that tanx and tany are the roots of the equation z^2-(1-a)tan2b*z+a=0

    If cosx=tany ,coty=tanz ,cotz=tanx , then the value of sinx is (a) 2cos18^0 (b) cos18^0 (c) sin18^0 (d) 2sin18^0

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