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Correct option is D
The given determinent fx=sin2x1+cos2xcox2x1+sin2xcos2xcox2xsin2xcos2xsin2x =21+cos2xcox2x2cos2xcox2x1cos2xsin2x C1→C1+C2 =0102cos2xcox2x1cos2xsin2x R1→R1−R2Expand the determinant fx=2sin2x−cos2xThe maximum value of acosx+bsinx is a2+b2Hence maximum value of fx=22+1=5Talk to our academic expert!
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If , then minimum value of is
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