$\tan 20^\circ + 2\tan 50^\circ - \tan 70^\circ$ નું મૂલ્ય કેટલું થાય?

  • A
    $1$
  • B
    $0$
  • C
    $\tan 50^\circ$
  • D
    આમાંથી કોઈ નહીં

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