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math

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simplify: (sinx/cosx)-1/(cosx/sinx)-1

  • math - ,

    I too am slightly frustrated, since I can't tell which order of operation to follow with your placement of brackets

    is it sinx/cosx - [1/(sinx/cosx)] - 1 ??

    if so, you have

    tanx - 1/cotx - 1
    = tanx - tanx - 1
    = -1

  • math - ,

    (sinx/cosx-1)/ (cosx/sinx-1)

  • math - ,

    (tan x -1) / (1/tan x - 1)

    (tan^2 x - tan x) / (1 - tan x)

    tan x (tan x - 1)/(1 - tan x)

    -tan x

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