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  1. W

    Trigonometry Identity Question

    Thanks! *facepalm* I forgot the last step haha.
  2. W

    Trigonometry Identity Question

    Thanks for the help :)
  3. W

    Trigonometry Identity Question

    If tan(x/2) = t, express in terms of t. tan(x)-tan(x/2) cot(x/2)+tan(x) The answer is t^2 but I'm not getting it correct.
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