1.

The maximum value of f(x)=∣∣∣∣∣sin2x1+cos2xcos2x1+sin2xcos2xcos2xsin2xcos2xsin2x∣∣∣∣∣,x∈R is :

Answer»

The maximum value of f(x)=

sin2x1+cos2xcos2x1+sin2xcos2xcos2xsin2xcos2xsin2x

,xR
is :



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