If 0 <= x <= pi, then the solution...

If `0 <= x <= pi,` then the solution of the equation `16^(sin^2) x + 16 ^(cos^2) x = 10` is given by x equal to (i) `pi/6,pi/3` (ii) `pi/3,pi/2` (iii) `pi/6,pi/2` (iv) none of these

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