Trigonometry - Compound and Double-Angle Identities

Trigonometry - Compound and Double-Angle Identities

TGM Original Questions

Prove the following identities.

  1. \(\frac{\sin 2x}{1 + \cos 2x} = \tan x\)
  2. \(\frac{2}{\cot x \tan 2x} = 1 - \tan^2 x\)

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