slove it question answer
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Bro i think the question is uncorrect
it must be
+1/4
if it is +1/4 then put sin^2 x =1-cos^x
you will get
cos x =-3/2 or -1/2
and since cos lie b/w -1 to 1
-3/2 can be neglected
hence
x=2π/3 or 4π/3
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