jus draw the graph is y=sin^2 x
and y=1
u will get 7 points of intersection...so 7 soln
If sin2x=1
Then what is the no. of solutions it has in [ -3∩ , 4∩ ] ?
jus draw the graph is y=sin^2 x
and y=1
u will get 7 points of intersection...so 7 soln
sin x is either 1 or -1...solutions at -5∩/2,-3∩/2,-∩/2,∩/2,3∩/2,5∩/2,7∩/2