The sum of the maximum and minimum values of the function is

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

The sum of the maximum and minimum values of the function

f(x)=\frac{1}{1+(2\cos x-4\sin x)^2}

is (1)

\frac{22}{21}

(2)

\frac{21}{20}

(3)

\frac{22}{20}

(4)

\frac{21}{11}