A.  {x: 2nπ-π/2 < x< 2nπ+ π/2, n ? Z}

B.  {x: 2nπ< x

C.  {x: x? (-∞, ∞)}

D.  none

1
Correct Answer :
{x: 2nπ-π/2 < x< 2nπ+ π/2, n ? Z}
Explanation :
No Explanation available for this question

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python