The function f: R \to R is defined by f(x)=\cos ^2 x+ \sin ^4 x for x \in R, then f(R) is equal to

EAMCET Engineering 2002 Solved Paper

Section: Mathematics

Question : 163 of 200

Marks: +1, -0

The function f:R→R is defined by f(x)=cos2x+sin‌4x for x∈R, then f(R) is equal to

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