InterviewSolution
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h(x) is increasing for x in |
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Answer» `(-(pi)/(4),(pi)/(4))` CASE I `{:("(i) "sin 2x gt0 rArr x in (0,(pi)/(2))),("(ii) "f'(sin^(2)x)gtf'(cos^(2)x) rArr tan^(2)x GT1):}}rArr x in ((pi)/(4),(pi)/(2))` Case II `{:(" (i)" sin2xlt0 rArr x in (-(pi)/(2)","0)),(" (ii)"f'(sin^(2)x)gtf'(cos^(2)x) rArr tan^(2)xgt1):}}rArr x in ((-pi)/(2),-(pi)/(4))` |
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