When cosec is positive?

Answer 1

Between (2k)*pi radians and (1+2k)*pi radians where k is an integer.

If you are still working with degrees, that is

360*k degrees to (1+2k)*180 degrees, for integer values of k.

NB: these are open intervals: that is, the end points are not included.

Between (2k)*pi radians and (1+2k)*pi radians where k is an integer.

If you are still working with degrees, that is

360*k degrees to (1+2k)*180 degrees, for integer values of k.

NB: these are open intervals: that is, the end points are not included.

Between (2k)*pi radians and (1+2k)*pi radians where k is an integer.

If you are still working with degrees, that is

360*k degrees to (1+2k)*180 degrees, for integer values of k.

NB: these are open intervals: that is, the end points are not included.

Between (2k)*pi radians and (1+2k)*pi radians where k is an integer.

If you are still working with degrees, that is

360*k degrees to (1+2k)*180 degrees, for integer values of k.

NB: these are open intervals: that is, the end points are not included.

Answer 2

Between (2k)*pi radians and (1+2k)*pi radians where k is an integer.

If you are still working with degrees, that is

360*k degrees to (1+2k)*180 degrees, for integer values of k.

NB: these are open intervals: that is, the end points are not included.