Question 2 Is it possible that for an angle the set of trig

Question 2: Is it possible that, for an angle . the set of trigonometry function values hold at the same time Set Set 2 Set 3 vs

Solution

set one is correct whereas set 2 and 3 are wrong because value of sine must lies in between -1 and 1

in set2 value of sine is more than 1

in set 3 sine is positive and cscx is negative which is not possible