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Posted by on Tuesday, May 14, 2013 at 9:05am.

tanx/2=tanx/secx+1

  • trigonometry - , Tuesday, May 14, 2013 at 9:35am

    Is it
    tan (x/2) = tanx/secx + 1 ??
    tan (x/2) = tanx/(secx +1) ??
    (tanx)/2 = tanx/secx + 1 ?? ---> the way you typed

    are we solving the equation, or is it supposed to be an identity?

    Can you see why brackets are essential?

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