Maths-
General
Easy

Question

The general solution of  fraction numerator tan space 5 x minus tan space 4 x over denominator 1 plus tan space 5 x tan space 4 x end fraction equals 1 is

  1. n pi plus pi over 4 semicolon straight for all n element of Z
  2. n pi plus-or-minus pi over 4 comma straight for all n element of Z
  3. ϕ
  4. n pi plus pi over 6 comma straight for all n element of Z

The correct answer is: n pi plus pi over 4 semicolon straight for all n element of Z

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