જો $\sin (y+z-x), \sin (z+x-y)$ અને $\sin (x+y-z)$ એ સમાંતર શ્રેણી ($A$.$P$.) માં હોય,તો

  • A
    $2 \tan y = \tan x - \tan z$
  • B
    $\tan y = \tan x + \tan z$
  • C
    $2 \tan y = \tan x + \tan z$
  • D
    $\tan y = \tan x - \tan z$

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