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Question

If sin space x plus cosec space x plus tan space y plus cot space y equals 4 where x and y element of open parentheses 0 comma pi over 2 close parentheses tan space y over 2 s a root of the equation

  1. alpha squared plus 2 alpha plus 1 equals 0
  2. alpha squared plus 2 alpha minus 1 equals 0
  3. 2 alpha squared minus 2 alpha minus 1 equals 0
  4. alpha squared minus alpha minus 1 equals 0

The correct answer is: alpha squared plus 2 alpha minus 1 equals 0

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