જો $\sin(x+3\alpha) + 3\sin(x-\alpha) = 0$ હોય,તો

  • A
    $\tan x = \tan \alpha$
  • B
    $\tan x = \tan^2 \alpha$
  • C
    $\tan x = \tan^3 \alpha$
  • D
    $\tan x = 3\tan \alpha$

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