math please help

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solve
(sq.rt 2) (tanx)(cosx) = tanx

  • math please help -

    sqrt2 cos x = 1
    cosx = 1/sqrt2

    x = 45 degrees and 315 degrees

  • math please help -

    tan x = 0 is also a solution. That leads to two more possible values of x.

    See if you can figure out what they are.

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