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-   -   Trig identities proof Please! (https://www.askmehelpdesk.com/showthread.php?t=670323)

  • Jun 13, 2012, 05:58 AM
    sgtchevelle
    trig identities proof Please!
    Can someone please help me prove:
    tan(x) = (tan(x) -1)/ (1-cot (x))
  • Jun 13, 2012, 06:14 AM
    ebaines
    Convert the tangent and cotangent functions to their sine and cosine equivalents, then simplify the resulting fraction - you can start by multiplying both numerator and denominator by sin(x)cos(x).

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