$\frac{\sin \theta + \sin 2\theta }{1 + \cos \theta + \cos 2\theta } = $

  • A
    $\frac{1}{2}\tan \theta $
  • B
    $\frac{1}{2}\cot \theta $
  • C
    $\tan \theta $
  • D
    $\cot \theta $

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